Famous German Physicists

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 1 
Carl F. Gauss
(One of the Greatest Mathematicians of All Time)
Carl F. Gauss
4
Birthdate: April 30, 1777
Sun Sign: Taurus
Birthplace: Brunswick, Germany
Died: February 23, 1855
Johann Carl Friedrich Gauss was a prominent German mathematician, astronomer, geodesist, and physicist known for his significant contributions to various fields in mathematics and science. He served as the director of the Göttingen Observatory and a professor of astronomy, where he made remarkable advancements in mathematical theorems, number theory, and celestial mechanics. Gauss played a crucial role in the discovery of Ceres as a dwarf planet, developed the method of least squares, and pioneered advancements in geodesy, geophysics, and electromagnetism. He was dedicated to learning and left a lasting impact on mathematics through his influential teachings.
 2 
Albert Einstein
(One of the Greatest Physicists of All Time, Best Known for Developing the Theory of Relativity)
Albert Einstein
41
Birthdate: March 14, 1879
Sun Sign: Pisces
Birthplace: Ulm, Germany
Died: April 18, 1955
Albert Einstein was a German-born theoretical physicist known for his groundbreaking work in developing the theory of relativity and his contributions to quantum mechanics. He received the Nobel Prize in Physics in 1921 for his discovery of the law of the photoelectric effect. Throughout his career, he made significant advancements in various fields of physics, including the development of the mass-energy equivalence formula E=mc². Einstein's work also had a profound impact on the philosophy of science and he is widely regarded as one of the greatest physicists of all time.
 3 
Johannes Kepler
(Astronomer Best Known for his Laws of Plantery Motion)
Johannes Kepler
6
Birthdate: December 27, 1571
Sun Sign: Capricorn
Birthplace: Weil der Stadt, Germany
Died: November 15, 1630
Johannes Kepler was a renowned German astronomer, mathematician, astrologer, and writer on music. He made significant contributions to the Scientific Revolution of the 17th century through his laws of planetary motion and influential works like Astronomia nova and Harmonice Mundi. Kepler served as an associate of Prince Hans Ulrich von Eggenberg, an assistant to Tycho Brahe, and the imperial mathematician to several emperors. He was also a mathematics teacher and advisor, known for his work in optics and the development of the Keplerian telescope.
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 4 
Max Planck
(German Theoretical Physicist and Originator of 'Quantum Theory')
Max Planck
6
Birthdate: April 23, 1858
Sun Sign: Taurus
Birthplace: Kiel, Germany
Died: October 4, 1947
Max Planck was a German theoretical physicist known for his groundbreaking work in quantum theory. His discovery of energy quanta earned him the Nobel Prize in Physics in 1918. Planck's contributions revolutionized understanding of atomic and subatomic processes, with his development of the Planck constant being foundational to quantum physics. He played a key role in the founding of modern physics and was twice president of the Kaiser Wilhelm Society, which later became the Max Planck Society. Today, the Max Planck Society encompasses 83 scientific institutions covering a wide range of disciplines.
 5 
Heinrich Hertz
(German Physicist Who Discovered the Existence of Electromagnetic Waves)
Heinrich Hertz
8
Birthdate: February 22, 1857
Sun Sign: Pisces
Birthplace: Hamburg, Germany
Died: January 1, 1894
Heinrich Rudolf Hertz was a German physicist known for his groundbreaking work in proving the existence of electromagnetic waves as predicted by Maxwell's equations. His experiments and discoveries laid the foundation for the development of modern telecommunications and paved the way for technologies such as radio, television, and radar. Hertz's contributions to the field of electromagnetism were so significant that the unit of frequency, cycle per second, was named the "Hertz" in his honor, recognizing his immense impact on the scientific community.
 6 
Georg Ohm
(Physicist & Mathematician)
Georg Ohm
4
Birthdate: March 16, 1789
Sun Sign: Pisces
Birthplace: Erlangen, Germany
Died: July 6, 1854
Georg Simon Ohm was a German physicist and mathematician known for his groundbreaking work in electricity. As a school teacher, he conducted research on the electrochemical cell invented by Alessandro Volta, leading to the discovery of Ohm's law. This law describes the direct relationship between voltage and electric current in a conductor. Ohm's contributions revolutionized the understanding of electrical circuits and led to the establishment of the ohm as the unit of electrical resistance, cementing his legacy in the field of physics.
 7 
Werner Heisenberg
(German Theoretical Physicist and One of the Main Pioneers of the Theory of Quantum Mechanics)
Werner Heisenberg
23
Birthdate: December 5, 1901
Sun Sign: Sagittarius
Birthplace: Würzburg, Germany
Died: February 1, 1976
Werner Karl Heisenberg was a German theoretical physicist known for his pioneering work in quantum mechanics. He played a significant role in the Nazi nuclear weapons program during World War II. He made key contributions to various fields including hydrodynamics, atomic nucleus, ferromagnetism, cosmic rays, and subatomic particles. He received the Nobel Prize in Physics in 1932 for his work on quantum mechanics. He held various prestigious positions in research institutions and organizations, including directorships at the Max Planck Institute for Physics and Astrophysics.
 8 
Max Born
(German Physicist Who Won Nobel Prize for His Contribution to Quantum Mechanics)
Max Born
7
Birthdate: December 11, 1882
Sun Sign: Sagittarius
Birthplace: Wrocław, Poland
Died: January 5, 1970
Max Born was a German-British physicist and mathematician known for his pivotal role in the development of quantum mechanics. He made significant contributions to solid-state physics and optics, and supervised notable physicists in the 1920s and 1930s. Born's work on the statistical interpretation of the wave function earned him the 1954 Nobel Prize in Physics. He established Göttingen as a leading physics center, formulated matrix mechanics with Werner Heisenberg, and mentored influential physicists like Enrico Fermi and Werner Heisenberg. Born fled Nazi Germany in 1933 and continued his research in the UK.
 9 
Gustav Kirchhoff
(Physicist)
Gustav Kirchhoff
7
Birthdate: March 12, 1824
Sun Sign: Pisces
Birthplace: Königsberg, Kingdom of Prussia
Died: October 17, 1887
Gustav Kirchhoff was a renowned German physicist and mathematician known for his significant contributions to the understanding of electrical circuits, spectroscopy, and black-body radiation. He coined the term black-body radiation and formulated several important principles in physics, including Kirchhoff's circuit laws, Kirchhoff's law of thermal radiation, and Kirchhoff's law of thermochemistry. His collaboration with Robert Bunsen led to the establishment of the prestigious Bunsen-Kirchhoff Award for spectroscopy. Kirchhoff's work continues to be influential in the fields of physics and chemistry.
 10 
Lise Meitner
(Austrian-Swedish Physicist Who Discovered the Element Protactinium)
Lise Meitner
10
Birthdate: November 7, 1878
Sun Sign: Scorpio
Birthplace: Vienna, Austria
Died: October 27, 1968
Lise Meitner was an Austrian physicist known for her contributions to the discovery of protactinium and nuclear fission. She earned her doctorate in physics at the University of Vienna and became the first female full professor of physics in Germany. Forced to flee Nazi Germany due to anti-Jewish laws, she continued her research in Sweden and later in Britain. Meitner, alongside Otto Hahn and Fritz Strassmann, demonstrated nuclear fission in 1938, a discovery crucial to the development of atomic bombs and nuclear reactors. Despite her significant contributions, she was not awarded the Nobel Prize.
 11 
Hermann von Helmholtz
(Physicist and Physician)
Hermann von Helmholtz
4
Birthdate: August 31, 1821
Sun Sign: Virgo
Birthplace: Potsdam
Died: September 8, 1894
Hermann von Helmholtz was a prominent German physicist, physician, and philosopher known for his groundbreaking contributions in various scientific fields. In physiology and psychology, he conducted pioneering research on vision, color perception, and sound sensations. In physics, he formulated influential theories on energy conservation, electrodynamics, and thermodynamics. As a philosopher, he explored the intersection of perception and natural laws, aesthetics, and the societal impact of scientific advancement. His work continues to shape modern scientific thought, earning him recognition and the naming of the Helmholtz Association in his honor.
 12 
Hans Geiger
(Physicist)
Hans Geiger
3
Birthdate: September 30, 1882
Sun Sign: Libra
Birthplace: Neustadt, Germany
Died: September 24, 1945
Hans Geiger was a prominent German physicist known for his significant contributions to the field of nuclear physics. He is most recognized for co-inventing the detector component of the Geiger counter and conducting the Geiger-Marsden experiment, which led to the discovery of the atomic nucleus. His work also included the Bothe-Geiger coincidence experiment, which validated the conservation of energy in interactions involving light particles. Geiger's professional legacy is marked by his pioneering research in nuclear physics and his instrumental role in advancing scientific understanding of atomic structure and interactions.
 13 
Rudolf Clausius
(Physicist, University teacher, Mathematician, Theoretical physicist)
Rudolf Clausius
3
Birthdate: January 2, 1822
Sun Sign: Capricorn
Birthplace: Koszalin
Died: August 24, 1888
Rudolf Clausius was a prominent German physicist and mathematician known for his foundational contributions to the field of thermodynamics. He played a key role in establishing the science of thermodynamics by restating Sadi Carnot's principle as the Carnot cycle, providing a more solid foundation for the theory of heat. Clausius' work on the second law of thermodynamics, particularly in his paper "On the Moving Force of Heat," and his introduction of the concept of entropy in 1865 were significant advancements in the field. Additionally, his development of the virial theorem in 1870 further extended his influence in the study of heat.
 14 
John B. Goodenough
(Physicist Known for Pioneering Work in the Development of Lithium-Ion Battery)
John B. Goodenough
4
Birthdate: July 25, 1922
Sun Sign: Leo
Birthplace: Jena, Germany
Died: June 25, 2023
John Bannister Goodenough was an accomplished American materials scientist and solid-state physicist known for his groundbreaking contributions to the field. Throughout his illustrious career, Goodenough held various prominent positions at prestigious institutions, including the University of Texas at Austin, MIT Lincoln Laboratory, and the University of Oxford. He made significant advancements in understanding magnetic superexchange in materials, developed materials for computer memory, and invented cathode materials for lithium-ion batteries. Goodenough received numerous prestigious awards and honors, including the Nobel Prize in Chemistry in 2019.
 15 
Karl Schwarzschild
(German Physicist and Astronomer)
Karl Schwarzschild
3
Birthdate: October 9, 1873
Sun Sign: Libra
Birthplace: Frankfurt, Germany
Died: May 11, 1916
Karl Schwarzschild was a German physicist and astronomer known for providing the first exact solution to the Einstein field equations of general relativity. His work, accomplished in 1915 during World War I, focused on a single spherical non-rotating mass, leading to the derivation of the Schwarzschild radius for black holes. Schwarzschild's contributions to the field of astrophysics are significant, with an asteroid and a crater on the Moon named in his honor in recognition of his groundbreaking work.
 16 
Arnold Sommerfeld
3
Birthdate: December 5, 1868
Sun Sign: Sagittarius
Birthplace: Königsberg
Died: April 26, 1951
Arnold Sommerfeld was a pioneering German theoretical physicist known for his significant contributions to atomic and quantum physics. He played a crucial role in advancing the field by introducing key concepts such as the azimuthal quantum number, magnetic quantum number, and the fine-structure constant. Sommerfeld also made groundbreaking contributions to X-ray wave theory. His impact extended beyond his research as he educated and mentored numerous influential physicists and chemists, including several Nobel Prize winners, shaping the future of theoretical physics.
 17 
Walther Nernst
(Physicist and Chemist)
Walther Nernst
3
Birthdate: June 25, 1864
Sun Sign: Cancer
Birthplace: Wąbrzeźno
Died: November 18, 1941
Walther Nernst, a renowned German physicist and physical chemist, made significant contributions to the fields of thermodynamics, physical chemistry, electrochemistry, and solid-state physics. His formulation of the Nernst heat theorem was instrumental in establishing the third law of thermodynamics, earning him the Nobel Prize in Chemistry in 1920. Nernst is also credited with developing the Nernst equation in 1887. He pursued his academic studies at various universities, ultimately achieving his doctorate in 1887 and completing his habilitation at the University of Leipzig in 1889.
 18 
Hermann Klaus Hugo Weyl
(One of the Most Famous and Skilled Mathematicians of the 20th Century)
Hermann Klaus Hugo Weyl
3
Birthdate: November 9, 1885
Sun Sign: Scorpio
Birthplace: Elmshorn, Germany
Died: December 8, 1955
Hermann Klaus Hugo Weyl was a German mathematician, theoretical physicist, logician, and philosopher known for his significant contributions to theoretical physics and various mathematical disciplines such as number theory. Associated with the University of Göttingen tradition, Weyl conducted research in a wide range of fields, including space, time, matter, philosophy, logic, and symmetry. He was influential in early years at the Institute for Advanced Study and was recognized for his pioneering work in combining general relativity with electromagnetism, earning comparisons to renowned mathematicians like Poincaré and Hilbert.
 19 
Maria Goeppert-Mayer
2
Birthdate: June 28, 1906
Sun Sign: Cancer
Birthplace: Katowice, Poland
Died: February 20, 1972
Maria Goeppert Mayer was a pioneering theoretical physicist known for her groundbreaking work on the nuclear shell model of the atomic nucleus. She made significant contributions to the field of physics, particularly in the areas of two-photon absorption and nuclear structure. Despite facing obstacles due to nepotism rules, she pursued her research and collaborated on important projects such as the Manhattan Project. Her achievements culminated in being awarded the Nobel Prize in Physics in 1963, solidifying her legacy as a prominent figure in the scientific community.
 20 
Gustav Fechner
(Physicist, Psychologist, Statistician, University teacher, Philosopher)
Gustav Fechner
3
Birthdate: April 19, 1801
Sun Sign: Aries
Birthplace: Bad Muskau
Died: November 18, 1887
Gustav Theodor Fechner was a German physicist, philosopher, and experimental psychologist known for his contributions to experimental psychology and the development of psychophysics. He is considered a pioneer in the field, inspiring numerous 20th-century scientists and philosophers. Fechner is credited with formulating the Weber–Fechner law, which demonstrates the non-linear relationship between psychological sensation and the physical intensity of a stimulus. His work laid the foundation for modern psychological research and continues to influence the study of the mind and perception.
 21 
Eugen Goldstein
(Physicist)
Eugen Goldstein
3
Birthdate: September 5, 1850
Sun Sign: Virgo
Birthplace: Gliwice, Poland
Died: December 25, 1930
Eugen Goldstein was a German physicist known for his pioneering work on discharge tubes. He made significant contributions to the field by discovering anode rays, later identified as positive ions such as the hydrogen ion. Goldstein's research on canal rays helped advance the understanding of gas phase ions. His work in this area laid the groundwork for further developments in the field of atomic and molecular physics. Goldstein's investigations have had a lasting impact on the scientific community and continue to be studied and referenced today.
 22 
Hermann Oberth
(German Physicist and Rocket Pioneer)
Hermann Oberth
3
Birthdate: June 25, 1894
Sun Sign: Cancer
Birthplace: Sibiu, Romania
Died: December 28, 1989
Hermann Julius Oberth was a prominent physicist and rocket pioneer, known for his significant contributions to the fields of rocketry and astronautics. He is recognized as one of the founding figures in these areas alongside other notable pioneers. Oberth actively supported Nazi Germany during World War II and was honored with the War Merit Cross for his contributions. His work and research have had a lasting impact on the development of rocket technology and space exploration, solidifying his legacy in the scientific community.
 23 
Joseph von Fraunhofer
(Physicist, Astronomer, Chemist)
Joseph von Fraunhofer
3
Birthdate: March 6, 1787
Sun Sign: Pisces
Birthplace: Straubing
Died: June 7, 1826
Joseph von Fraunhofer was a prominent German physicist and optical lens manufacturer known for his significant contributions to optics. He developed optical glass, achromatic telescopes, and objective lenses, as well as pioneering the invention of the spectroscope and diffraction grating. Fraunhofer's groundbreaking discovery of dark absorption lines in the sun's spectrum, now referred to as Fraunhofer lines, revolutionized the field of spectroscopy. His legacy is honored through the Fraunhofer Society, Europe's largest organization dedicated to applied research, which bears his name.
 24 
Karl Ferdinand Braun
(German Electrical Engineer Who Made Significant Contribution to the Development of Radio and Television Technology)
Karl Ferdinand Braun
3
Birthdate: June 6, 1850
Sun Sign: Gemini
Birthplace: Fulda, Germany
Died: April 20, 1918
Karl Ferdinand Braun was a German electrical engineer, inventor, physicist, and Nobel laureate in physics. He made significant contributions to the development of radio, radar, smart antennas, MIMO, and television. Braun invented the phased array antenna in 1905 and built the first Cathode-ray tube. He also created the first semiconductor. Sharing the 1909 Nobel Prize in Physics with Guglielmo Marconi for their work in wireless telegraphy, Braun was a founder of Telefunken and is recognized as a key figure in the development of telecommunications and television technologies.
 25 
Ernst Ruska
(Inventor of Electron Microscope)
Ernst Ruska
2
Birthdate: December 25, 1906
Sun Sign: Capricorn
Birthplace: Heidelberg
Died: May 27, 1988
Ernst Ruska was a German physicist known for his pioneering work in electron optics, particularly for designing the first electron microscope in 1933. He demonstrated that a magnetic coil could serve as an electron lens, leading to the development of electron microscopy technology. Ruska continued his research at various institutions, contributing to advancements in the field. He was involved in creating the first commercially produced electron microscope in 1939. Ruska's significant contributions earned him the Nobel Prize in Physics in 1986.
 26 
Wilhelm Weber
(Physicst)
Wilhelm Weber
2
Birthdate: October 24, 1804
Sun Sign: Scorpio
Birthplace: Wittenberg, Saxony, Holy Roman Empire
Died: June 23, 1891
Wilhelm Eduard Weber, a German physicist, made significant contributions to the field of electromagnetism. He is best known for his collaboration with Carl Friedrich Gauss in inventing the first electromagnetic telegraph, which revolutionized long-distance communication. Weber conducted pioneering research in electricity and magnetism, laying the foundation for future developments in the field. His work helped advance the understanding of electromagnetism and its practical applications, leaving a lasting impact on the scientific community.
 27 
Ernst Abbe
(German Physicist, Optical Scientist and Entrepreneur)
Ernst Abbe
5
Birthdate: January 23, 1840
Sun Sign: Aquarius
Birthplace: Eisenach, Germany
Died: January 14, 1905
Ernst Karl Abbe was a German businessman, optical engineer, physicist, and social reformer known for his contributions to the field of optics. Alongside Otto Schott and Carl Zeiss, he played a key role in the development of various optical instruments. Abbe was a co-owner of Carl Zeiss AG, a renowned German manufacturer of scientific microscopes, astronomical telescopes, planetariums, and other advanced optical systems. His work in the industry significantly advanced the field of optics and had a lasting impact on scientific research and technology.
 28 
Friedrich Bessel
(German Astronomer, Mathematician, Physicist, and Geodesist)
Friedrich Bessel
2
Birthdate: July 22, 1784
Sun Sign: Cancer
Birthplace: Minden, Germany
Died: March 17, 1846
Friedrich Wilhelm Bessel was a renowned German astronomer, mathematician, physicist, and geodesist. He made significant contributions to the field of astronomy by being the first to accurately determine the distance from the sun to another star using the method of parallax. Bessel's work also led to the development and naming of important mathematical functions known as Bessel functions. Despite these discoveries being initially made by Daniel Bernoulli, Bessel played a crucial role in generalizing and popularizing them within the scientific community.
 29 
Gustav Ludwig Hertz
(German Experimental Physicist Who Won the Nobel Prize for His Work on Inelastic Electron Collisions in Gases)
Gustav Ludwig Hertz
3
Birthdate: July 22, 1887
Sun Sign: Cancer
Birthplace: Hamburg, Germany
Died: October 30, 1975
Gustav Ludwig Hertz was a renowned German experimental physicist who made significant contributions to the field of physics. He was awarded the Nobel Prize for his groundbreaking research on inelastic electron collisions in gases. Hertz's work in this area advanced the understanding of electron behavior and its interactions with matter. His achievements solidified his reputation as a leading figure in the scientific community. Hertz's legacy continues to inspire future generations of physicists and researchers in the field of experimental physics.
 30 
James Franck
(Physicist)
James Franck
3
Birthdate: August 26, 1882
Sun Sign: Virgo
Birthplace: Hamburg, German Empire
Died: May 21, 1964
James Franck was a German physicist who made significant contributions to the field of physics. He conducted groundbreaking research on the laws governing electron-atom interactions, for which he was awarded the Nobel Prize in Physics in 1925. Throughout his career, he held various academic positions in Germany and the United States, working with renowned physicists such as Max Born. Franck was known for his work on quantum physics, including the influential Franck-Hertz experiment. He also played a key role in the Manhattan Project during World War II.
 31 
Ernst Chladni
(Physicist, Astronomer)
Ernst Chladni
3
Birthdate: November 30, 1756
Sun Sign: Sagittarius
Birthplace: Lutherstadt Wittenberg
Died: April 3, 1827
Ernst Florens Friedrich Chladni was a German physicist and musician known for his groundbreaking contributions to the study of acoustics and meteoritics. He conducted significant research on vibrating plates and played a key role in calculating the speed of sound in various gases. Chladni's work in meteorite studies was also pioneering, leading some to consider him the father of meteoritics. His professional life was defined by innovative investigations and discoveries that have had a lasting impact on the fields of physics and music.
 32 
Heinrich Lenz
(Russian Physicist Best Known for Formulating 'Lenz's Law')
Heinrich Lenz
2
Birthdate: February 12, 1804
Sun Sign: Aquarius
Birthplace: Tartu
Died: February 10, 1865
Heinrich Friedrich Emil Lenz, also known as Emil Lenz, was a Russian physicist of Baltic German descent. He is best known for formulating Lenz's law in electrodynamics in 1834. Lenz made significant contributions to the field of physics, particularly in the study of electromagnetism. His work on electromagnetic induction and the relationship between magnetic fields and induced currents laid the foundation for future advancements in the field. Lenz's law continues to be a fundamental principle in electromagnetism, influencing various technological applications.
 33 
Otto von Guericke
(German Scientist, Inventor, Mathematician and Physicist)
Otto von Guericke
4
Birthdate: November 30, 1602
Sun Sign: Sagittarius
Birthplace: Magdeburg, Germany
Died: May 21, 1686
Otto von Guericke was a German scientist, inventor, mathematician, and physicist known for his pioneering work in experimental methods and repeatable demonstrations related to the physics of vacuum, atmospheric pressure, and electrostatic repulsion. His advocacy for concepts such as "action at a distance" and "absolute space" contributed significantly to the Scientific Revolution. Von Guericke's profound piety in the Dionysian tradition influenced his belief in the vacuum of space as a creation of an infinite divinity, describing it as a precious, infinite entity comparable to the heavens.
 34 
Johannes Stark
(Nobel Prize Winner in Physics)
Johannes Stark
2
Birthdate: April 15, 1874
Sun Sign: Aries
Birthplace: Freihung
Died: June 21, 1957
Johannes Stark was a German physicist known for his discovery of the Doppler effect in canal rays and the Stark effect. He earned his Ph.D. from the University of Munich and held various academic positions, including at the University of Göttingen, Leibniz University Hannover, RWTH Aachen University, University of Greifswald, and University of Würzburg. Stark was a supporter of Adolf Hitler and played a significant role in the anti-Semitic Deutsche Physik movement, leading to his involvement in various academic and research institutions during the Nazi era.
 35 
Carl Friedrich von Weizsäcker
(Physicist)
Carl Friedrich von Weizsäcker
3
Birthdate: June 28, 1912
Sun Sign: Cancer
Birthplace: Kiel, Germany
Died: April 28, 2007
Carl Friedrich Freiherr von Weizsäcker was a German physicist and philosopher known for his contributions to nuclear research during World War II. He made significant theoretical discoveries in energy production in stars through nuclear fusion processes and planetary formation in the early Solar System. Later in his career, he shifted his focus to philosophical, ethical, and historical issues, earning international recognition for his work in these areas. Weizsäcker's professional legacy encompasses a wide range of scientific and philosophical achievements.
 36 
Julius von Mayer
(Physicist, Physician)
Julius von Mayer
2
Birthdate: November 25, 1814
Sun Sign: Sagittarius
Birthplace: Heilbronn
Died: March 20, 1878
Julius von Mayer was a German physician, chemist, and physicist, recognized as a key figure in the development of thermodynamics. His groundbreaking work in 1841 established the principle of the conservation of energy, stating that energy cannot be created or destroyed. In 1842, he identified oxidation as the primary energy source for living organisms and theorized about the conversion of light into chemical energy by plants. Despite his contributions, Mayer's achievements were initially overshadowed, with credit for the mechanical equivalent of heat going to James Joule.
 37 
Johann Philipp Reis
(Physicist, Inventor)
Johann Philipp Reis
4
Birthdate: January 7, 1834
Sun Sign: Capricorn
Birthplace: Gelnhausen
Died: January 14, 1874
Johann Philipp Reis was a German teacher and inventor who is credited with creating an early prototype of the telephone in the 1860s. Despite facing rejection and skepticism from his peers, Reis persisted in developing his invention based on his understanding of electricity and sound transmission. His pioneering work in telecommunications laid the foundation for future advancements in communication technology. Reis' contributions to the field were eventually recognized posthumously, and he is now celebrated as one of the early pioneers of the telephone.
 38 
Pascual Jordan
(Former theoretical and mathematical physicist who made significant contributions to quantum mechanics and quantum field theory)
Pascual Jordan
2
Birthdate: October 18, 1902
Sun Sign: Libra
Birthplace: Hanover, Germany
Died: July 31, 1980
Ernst Pascual Jordan was a German theoretical and mathematical physicist known for his significant contributions to quantum mechanics and quantum field theory. He played a key role in developing matrix mechanics and canonical anticommutation relations for fermions. Jordan also introduced Jordan algebras to formalize quantum field theory, which have since been widely applied in mathematics. Despite his involvement with the Nazi Party, Jordan did not align with the anti-Semitic Deutsche Physik movement. He later transitioned to politics, serving as a member of parliament for the conservative party CDU.
 39 
Wilhelm Wien
(Nobel Laureate in Physics)
Wilhelm Wien
2
Birthdate: January 13, 1864
Sun Sign: Capricorn
Birthplace: Gaffken near Fischhausen, Province of Prussia
Died: August 30, 1928
Wilhelm Wien was a German physicist known for formulating Wien's displacement law, calculating blackbody emission at different temperatures. He also developed an expression for black-body radiation in the photon-gas limit, contributing to the foundation of quantum mechanics. His work on heat radiation earned him the Nobel Prize in 1911. Additionally, Wien's concept of adiabatic invariance was crucial in his scientific arguments. His professional life was marked by significant contributions to the understanding of heat and electromagnetism, leaving a lasting impact on the field of physics.
 40 
Philipp Lenard
(Physicist)
Philipp Lenard
4
Birthdate: June 7, 1862
Sun Sign: Gemini
Birthplace: Pressburg, Kingdom of Hungary, Austrian Empire
Died: May 20, 1947
Philipp Eduard Anton von Lenard was a Hungarian-born German physicist known for his groundbreaking work on cathode rays and the photoelectric effect. His experiments revealed that the energy of ejected electrons depended on the frequency of incident light, a key principle in quantum mechanics. Lenard's discoveries earned him the Nobel Prize in Physics in 1905. Despite his scientific contributions, Lenard's career was tainted by his nationalist and anti-Semitic views, leading him to support Nazi ideology and denounce Albert Einstein's work as "Jewish physics."
 41 
Conrad Schlumberger
(Geophysicist)
Conrad Schlumberger
3
Birthdate: October 2, 1878
Sun Sign: Libra
Birthplace: Guebwiller, France
Died: May 9, 1936
Conrad Schlumberger was a pioneering figure in the field of geophysics, known for his innovative work in developing electrical surface-measuring systems for mineral exploration. He co-founded Schlumberger Well Services and played a key role in the inception of the well logging industry. Conrad's contributions included the conception of prospecting for metal ore deposits using electrical conductivity, leading to the creation of the "Schlumberger array." His groundbreaking wireline electric log in 1927 revolutionized oil well logging techniques and laid the foundation for modern geophysical surveys.
 42 
Wolfgang Ketterle
(Physicist, University teacher)
Wolfgang Ketterle
2
Birthdate: October 21, 1957
Sun Sign: Libra
Birthplace: Heidelberg
Wolfgang Ketterle is a German physicist and professor of physics at MIT. He is renowned for his groundbreaking research in trapping and cooling atoms to temperatures near absolute zero. In 1995, he led a pioneering group that achieved Bose-Einstein condensation in these systems. Ketterle's contributions to the field earned him the Nobel Prize in Physics in 2001, shared with Eric Allin Cornell and Carl Wieman. His work continues to shape our understanding of fundamental physics and quantum phenomena.
 43 
Hans von Ohain
(Physicist)
Hans von Ohain
5
Birthdate: December 14, 1911
Sun Sign: Sagittarius
Birthplace: Dessau, Duchy of Anhalt, Germany
Died: March 13, 1998
Hans Joachim Pabst von Ohain was a German physicist and engineer known for designing the first turbojet engine to power an aircraft. He worked closely with the Heinkel Aircraft Company, which funded his research and development efforts. Von Ohain's innovative designs, particularly focusing on centrifugal compressor engines, led to the successful powering of the Heinkel He 178 aircraft in 1939. Despite facing challenges, his contributions to the jet engine industry during World War II laid the foundation for future developments in aviation technology.
 44 
Ludwig Prandtl
(Physicist, Mechanical engineer, University teacher)
Ludwig Prandtl
3
Birthdate: February 4, 1875
Sun Sign: Aquarius
Birthplace: Freising
Died: August 15, 1953
Ludwig Prandtl was a German fluid dynamicist, physicist, and aerospace scientist known for his pioneering work in aerodynamics. In the 1920s, he developed rigorous mathematical analyses that formed the basis of aeronautical engineering. Prandtl's studies focused on subsonic aerodynamics and transonic velocities, leading to key discoveries such as the boundary layer, thin-airfoils, and lifting-line theories. His contributions to the field have had a lasting impact, and he is honored by having the Prandtl number named after him.
 45 
Max von Laue
(Physicist)
Max von Laue
3
Birthdate: October 9, 1879
Sun Sign: Libra
Birthplace: Pfaffendorf, Kingdom of Prussia, German Empire
Died: April 24, 1960
Max von Laue was a prominent German physicist known for his Nobel Prize-winning discovery of X-ray diffraction by crystals. His scientific contributions spanned various fields including optics, crystallography, quantum theory, superconductivity, and the theory of relativity. In addition to his research, Laue held administrative roles that significantly influenced German scientific research and development for over four decades. He played a crucial role in rebuilding and organizing German science post-World War II, and he was a vocal opponent of Nazism.
 46 
Georg Christoph Lichtenberg
(Physicist, satirist, and Anglophile)
Georg Christoph Lichtenberg
3
Birthdate: July 1, 1742
Sun Sign: Cancer
Birthplace: Ober-Ramstadt, Germany
Died: February 24, 1799
Georg Christoph Lichtenberg was a distinguished German physicist known for his groundbreaking work in experimental physics. He held the first professorship in Germany dedicated to this field. Lichtenberg's legacy includes his influential posthumously published notebooks, referred to as Sudelbücher, and his discovery of tree-like electrical discharge patterns, now known as Lichtenberg figures. His significant contributions to the scientific community and his innovative research have solidified his reputation as a pioneering figure in the history of physics.
 47 
Philipp Franz von Siebold
(German Physician and Botanist Known for Pioneering Western Medicine in Japan)
Philipp Franz von Siebold
2
Birthdate: February 17, 1796
Sun Sign: Aquarius
Birthplace: Würzburg, Germany
Died: October 18, 1866
Philipp Franz von Siebold was a German physician, botanist, and traveller known for his significant contributions to the study of Japanese flora and fauna. He played a crucial role in introducing Western medicine to Japan, thereby revolutionizing the country's medical practices. His expertise and dedication led to the advancement of scientific knowledge in Japan and fostered cultural exchange between East and West. Additionally, Siebold's influence extended to the education of Kusumoto Ine, the first female Japanese doctor trained in Western medicine, leaving a lasting impact on the field.
 48 
Hans Reichenbach
(Philosopher, Physicist, University teacher)
Hans Reichenbach
2
Birthdate: September 26, 1891
Sun Sign: Libra
Birthplace: Hamburg
Died: April 9, 1953
Hans Reichenbach was a prominent philosopher of science and educator known for his work in logical empiricism. He founded the Gesellschaft für empirische Philosophie in Berlin and was a key figure in the Berlin Circle. Reichenbach, along with Rudolf Carnap, edited the journal Erkenntnis. He made significant contributions to empiricism, probability theory, philosophy of mathematics, space, time, relativity theory, probabilistic reasoning, and quantum mechanics. His book, The Rise of Scientific Philosophy, published in 1951, remains one of his most influential works.
 49 
Moritz Schlick
(Philosopher)
Moritz Schlick
3
Birthdate: April 14, 1882
Sun Sign: Aries
Birthplace: Berlin, Germany
Died: June 22, 1936
Moritz Schlick was a prominent German philosopher and physicist known for his role as the founding father of logical positivism and the Vienna Circle. He made significant contributions to the fields of epistemology and the philosophy of science, emphasizing the importance of empirical evidence and logical analysis in understanding the world. Schlick's work focused on the verification principle and the theory of knowledge, shaping the development of logical positivism and influencing generations of philosophers and scientists. His ideas continue to be studied and debated in academic circles worldwide.
 50 
Herbert Kroemer
(Physicist)
Herbert Kroemer
2
Birthdate: August 25, 1928
Sun Sign: Virgo
Birthplace: Weimar, Germany
Herbert Kroemer was a renowned German-American physicist and professor emeritus of electrical and computer engineering at the University of California, Santa Barbara. He received the Nobel Prize in Physics in 2000 for his groundbreaking work on semiconductor heterostructures used in high-speed- and opto-electronics. Kroemer earned his Ph.D. in theoretical physics in 1952 and conducted influential research on hot electron effects in transistors. His contributions in transistor research laid the foundation for the advancement of mobile phone technologies.
 51 
Thomas Johann Seebeck
(Baltic German Physicist)
Thomas Johann Seebeck
1
Birthdate: April 9, 1770
Sun Sign: Aries
Birthplace: Tallinn, Estonia
Died: December 10, 1831
Thomas Johann Seebeck was a German physicist known for his discovery of the thermoelectric effect in 1822. He conducted experiments to understand Ørsted's findings and observed that a junction of dissimilar metals produced a deflection on a magnetic needle when exposed to a temperature gradient. This led to the identification of the Peltier-Seebeck effect, which forms the basis of thermocouples and thermopiles. Seebeck's work significantly contributed to the understanding of the relationship between heat and magnetism in the field of physics.
 52 
Gerd Binnig
(Physicist)
Gerd Binnig
2
Birthdate: July 20, 1947
Sun Sign: Cancer
Birthplace: Frankfurt am Main, Germany
Gerd Binnig is a renowned German physicist known for his groundbreaking work in the field of microscopy. Alongside Heinrich Rohrer, he was awarded the Nobel Prize in Physics in 1986 for their invention of the scanning tunneling microscope, a device that revolutionized nanotechnology and allowed scientists to explore materials at the atomic level. Binnig's contributions have significantly advanced the understanding of surface science and nanotechnology, earning him international recognition and establishing him as a pioneer in the field of microscopy.
 53 
Wolfgang Paul
(Physicist)
Wolfgang Paul
2
Birthdate: August 10, 1913
Sun Sign: Leo
Birthplace: Lorenzkirch, Saxony, German Empire
Died: December 7, 1993
Wolfgang Paul was a renowned German physicist known for his groundbreaking work in developing the non-magnetic quadrupole mass filter, which served as the basis for the ion trap technology. His contributions in this field led to significant advancements in the study of ions and their behavior. In recognition of his achievements, Paul was awarded the Nobel Prize in Physics in 1989, sharing the honor with Hans Georg Dehmelt. His professional legacy continues to influence the field of physics and ion trapping research to this day.
 54 
Theodor W. Hänsch
(Physicist)
Theodor W. Hänsch
1
Birthdate: October 30, 1941
Sun Sign: Scorpio
Birthplace: Heidelberg
Theodor Wolfgang Hänsch is a distinguished German physicist renowned for his pioneering work in laser-based precision spectroscopy, particularly the development of the optical frequency comb technique. He was awarded the Nobel Prize in Physics in 2005 for his significant contributions in this field, sharing the honor with John L. Hall and Roy J. Glauber. Hänsch currently holds the position of Director at the Max-Planck-Institut für Quantenoptik and serves as a Professor of experimental physics and laser spectroscopy at the Ludwig-Maximilians University in Munich, Germany.
 55 
Gerhard Herzberg
(Physical Chemist, Physicist)
Gerhard Herzberg
0
Birthdate: December 25, 1904
Sun Sign: Capricorn
Birthplace: Hamburg, Imperial Germany
Died: March 3, 1999
Gerhard Herzberg was a pioneering physicist and physical chemist known for his groundbreaking work in atomic and molecular spectroscopy. He won the Nobel Prize for Chemistry in 1971 for his contributions to understanding the electronic structure and geometry of molecules, particularly free radicals. Herzberg's research focused on using spectroscopic techniques to determine the structures of diatomic and polyatomic molecules, including free radicals, which are challenging to study through other methods. He also conducted chemical analyses of astronomical objects. Additionally, Herzberg served as Chancellor of Carleton University in Ottawa, Canada from 1973 to 1980.
 56 
Klaus von Klitzing
(physicist)
Klaus von Klitzing
2
Birthdate: June 28, 1943
Sun Sign: Cancer
Birthplace: Środa Wielkopolska
Klaus von Klitzing is a renowned German physicist recognized for his groundbreaking discovery of the integer quantum Hall effect. This significant achievement led to his receipt of the Nobel Prize in Physics in 1985. Throughout his professional career, von Klitzing has contributed significantly to the field of condensed matter physics, particularly in the study of quantum phenomena and electronic properties of materials. His work has had a profound impact on the scientific community, solidifying his reputation as a leading figure in the field of physics.
 57 
Fritz Strassmann
(Chemist, University teacher)
Fritz Strassmann
2
Birthdate: February 22, 1902
Sun Sign: Pisces
Birthplace: Boppard
Died: April 22, 1980
Fritz Strassmann was a German chemist known for his groundbreaking work in the field of nuclear fission. Alongside Otto Hahn, he identified barium as a product of uranium bombardment, a discovery crucial in establishing nuclear fission. Their research led to the prediction of additional neutrons released during fission, contributing to the understanding of nuclear chain reactions. Strassmann's contributions were instrumental in shaping the development of nuclear physics and highlighting the potential for harnessing nuclear energy.
 58 
Walther Bothe
(German Nuclear Physicist Who Won the 1954 Nobel Prize in Physics)
Walther Bothe
3
Birthdate: January 8, 1891
Sun Sign: Capricorn
Birthplace: Oranienburg, Germany
Died: February 8, 1957
Walther Bothe was a prominent German nuclear physicist known for developing coincidence methods in particle physics. He served in World War I and was held as a prisoner of war before returning to Germany. Bothe made significant contributions to the study of nuclear reactions, including the Compton effect and wave-particle duality. He held various academic and research positions, leading physics departments and institutes. Bothe played a key role in the German nuclear energy project and was recognized with a share of the Nobel Prize in Physics in 1954.
 59 
Walter H. Schottky
(Physicist)
Walter H. Schottky
2
Birthdate: July 23, 1886
Sun Sign: Leo
Birthplace: Zürich, Switzerland
Died: March 4, 1976
Walter H. Schottky was a pioneering German physicist known for his significant contributions in electron and ion emission phenomena, semiconductor devices, and technical physics. He invented the screen-grid vacuum tube and co-invented the ribbon microphone and loudspeaker. His research on the Schottky effect, Schottky diode, Schottky vacancies, Schottky anomaly, and Mott-Schottky equation led to advancements in vacuum tube technology and semiconductor devices. Schottky's work on electrical noise mechanisms, space charge, and barrier layers in semiconductors greatly impacted the development of rectifiers and transistors.
 60 
Christoph Scheiner
(German Jesuit Priest, Physicist and Astronomer)
Christoph Scheiner
1
Birthdate: July 25, 1573
Sun Sign: Leo
Birthplace: Markt Wald, Germany
Died: June 18, 1650
Christoph Scheiner was a prominent Jesuit priest, physicist, and astronomer based in Ingolstadt. He made significant contributions to the fields of physics and astronomy during the 17th century. Scheiner is best known for his detailed observations of sunspots, which challenged the prevailing belief that the Sun was a perfect and unchanging celestial body. His work on optics and the nature of light also had a lasting impact on the scientific community, solidifying his reputation as a pioneering figure in the history of science.
 61 
Friedrich Hund
(Physicist, University teacher, Non-fiction writer)
Friedrich Hund
2
Birthdate: February 4, 1896
Sun Sign: Aquarius
Birthplace: Karlsruhe
Died: March 31, 1997
Friedrich Hund was a prominent German physicist recognized for his significant contributions to the study of atoms and molecules. He is most renowned for developing Hund's rules, which are principles used to predict the electron configuration of chemical elements. Hund's work on Hund's cases and molecular orbital theory greatly advanced our understanding of molecular structure. His research and discoveries have had a lasting impact on the field of chemistry and continue to be influential in the study of atomic and molecular properties.
 62 
Stefan Hell
(Winner of 2014 Nobel Prize in Chemistry, Map him to 'Chemists'. Remove mapping from 'Physicists')
Stefan Hell
2
Birthdate: December 23, 1962
Sun Sign: Capricorn
Birthplace: Arad, Romania
Stefan Walter Hell is a Romanian-German physicist known for his contributions to the field of microscopy. He serves as a director at the Max Planck Institute for Multidisciplinary Sciences in Göttingen and the Max Planck Institute for Medical Research in Heidelberg, both located in Germany. In 2014, Hell was awarded the Nobel Prize in Chemistry, along with Eric Betzig and William Moerner, for their development of super-resolved fluorescence microscopy techniques. Hell's work has significantly advanced the capabilities of microscopy in scientific research.
 63 
Peter Grünberg
(Physicist)
Peter Grünberg
2
Birthdate: May 18, 1939
Sun Sign: Taurus
Birthplace: Pilsen, Czechia
Died: April 7, 2018
Peter Andreas Grünberg was a German physicist known for his groundbreaking work in the field of magnetoresistance. Alongside Albert Fert, he discovered giant magnetoresistance, a phenomenon that revolutionized data storage technology, particularly in the development of gigabyte hard disk drives. This discovery earned Grünberg the Nobel Prize in Physics. Throughout his professional life, Grünberg made significant contributions to the understanding of magnetic materials and their applications, leaving a lasting impact on the field of condensed matter physics.
 64 
Harald Lesch
(Physicist)
Harald Lesch
1
Birthdate: July 28, 1960
Sun Sign: Leo
Birthplace: Gießen, Germany
Harald Lesch is a versatile professional with expertise in physics, astronomy, and natural philosophy. He serves as a professor of physics at the Ludwig Maximilian University of Munich and as a professor of natural philosophy at the Munich University of Philosophy. In addition to his academic roles, Lesch is an accomplished author, television presenter, and public speaker. His work encompasses a wide range of topics, making complex scientific concepts accessible to a broader audience through various media formats.
 65 
Ulf Merbold
(Astronaut)
Ulf Merbold
1
Birthdate: June 20, 1941
Sun Sign: Gemini
Birthplace: Greiz, Germany
Ulf Dietrich Merbold is a German physicist and astronaut who made significant contributions to space exploration. He flew to space three times, becoming the first West German citizen in space and the first non-American to fly on a NASA spacecraft. Merbold conducted experiments in materials science, life sciences, and the effects of microgravity on humans during his missions. He also provided ground-based support for other European Space Agency missions and held various roles within ESA, such as astronaut training and coordination positions.
 66 
Fritz London
(Physicist)
Fritz London
2
Birthdate: March 7, 1900
Sun Sign: Pisces
Birthplace: Breslau, Silesia, Germany
Died: March 30, 1954
Fritz Wolfgang London was a renowned physicist known for his fundamental contributions to the theories of chemical bonding and intermolecular forces, particularly the London dispersion forces. Alongside his brother, Heinz London, he made significant advancements in understanding the electromagnetic properties of superconductors with the development of the London equations. His work is considered classic in the field of physical chemistry and is widely discussed in textbooks. London's impact was so significant that he was nominated for the Nobel Prize in Chemistry on five separate occasions.
 67 
Polykarp Kusch
(Physicist)
Polykarp Kusch
1
Birthdate: January 26, 1911
Sun Sign: Aquarius
Birthplace: Blankenburg, District of Blankenburg, Duchy of Brunswick, German Empire
Died: March 20, 1993
Polykarp Kusch was a prominent physicist known for his groundbreaking work in the field of quantum electrodynamics. His precise measurement of the magnetic moment of the electron challenged existing theoretical values, prompting a reevaluation of fundamental concepts in the field. This achievement earned him a share of the Nobel Prize in Physics in 1955. Kusch's contributions not only advanced the understanding of subatomic particles but also sparked innovations in quantum mechanics, leaving a lasting impact on the scientific community.
 68 
Ida Noddack
(Chemist)
Ida Noddack
2
Birthdate: February 25, 1896
Sun Sign: Pisces
Birthplace: Wesel, Germany
Died: September 24, 1978
Ida Noddack was a pioneering German chemist and physicist known for her groundbreaking contributions to the field of nuclear chemistry. In 1934, she was the first to propose the concept of nuclear fission, a discovery that would have far-reaching implications in the field of nuclear physics. Alongside her husband Walter Noddack and Otto Berg, she also discovered element 75, rhenium. Noddack's significant achievements in scientific research led to her nomination for the Nobel Prize in Chemistry on three separate occasions, solidifying her legacy as a trailblazer in the scientific community.
 69 
Gerhard Ertl
(Physicist)
Gerhard Ertl
2
Birthdate: October 10, 1936
Sun Sign: Libra
Birthplace: Bad Cannstatt, Stuttgart, Germany
Gerhard Ertl is a renowned German physicist and Professor emeritus at the Department of Physical Chemistry, Fritz-Haber-Institut der Max-Planck-Gesellschaft in Berlin, Germany. His groundbreaking research in surface chemistry has led to significant advancements in understanding chemical processes on solid surfaces, contributing to the development of cleaner energy sources such as fuel cells. Ertl's work has also had practical applications, such as in catalytic converters and the study of ozone layer destruction. In 2007, he was awarded the Nobel Prize in Chemistry for his pivotal studies in this field.
 70 
Otto Stern
(Physicist)
Otto Stern
2
Birthdate: February 17, 1888
Sun Sign: Aquarius
Birthplace: Żory
Died: August 17, 1969
Otto Stern was a prominent German-American physicist known for his groundbreaking contributions to the field of physics. He was recognized as one of the most nominated physicists for a Nobel Prize, receiving a remarkable 82 nominations between 1925 and 1945. Stern's notable achievement came in 1943 when he was awarded the Nobel Prize in Physics. Throughout his professional life, he conducted pioneering research in various areas of physics, leaving a lasting legacy in the scientific community.
 71 
J. Hans D. Jensen
1
Birthdate: June 25, 1907
Sun Sign: Cancer
Birthplace: Hamburg, Germany
Died: February 11, 1973
Johannes Hans Daniel Jensen was a prominent German nuclear physicist known for his work during World War II on the German nuclear energy project, the Uranium Club. After the war, he became a professor at the University of Heidelberg and held visiting positions at prestigious institutions such as the University of Wisconsin–Madison, the Institute for Advanced Study, University of California, Berkeley, Indiana University, and the California Institute of Technology. Jensen was awarded the Nobel Prize in Physics in 1963 for his contribution to the nuclear shell model alongside Maria Goeppert-Mayer.
 72 
Rudolf Mössbauer
1
Birthdate: January 31, 1929
Sun Sign: Aquarius
Birthplace: Munich, Germany
Died: September 14, 2011
Rudolf Ludwig Mössbauer was a German physicist renowned for discovering the 'recoilless nuclear resonance fluorescence' in 1957, later known as the Mössbauer effect. This discovery earned him the Nobel Prize in Physics in 1961. The Mössbauer effect formed the foundation for Mössbauer spectroscopy, a crucial technique in the field of physics. Mössbauer's professional life was marked by significant contributions to the understanding of nuclear physics and spectroscopy, solidifying his reputation as a pioneering figure in the scientific community.
 73 
Ernst Stuhlinger
(Scientist)
Ernst Stuhlinger
1
Birthdate: December 19, 1913
Sun Sign: Sagittarius
Birthplace: Niederrimbach, Germany
Died: May 25, 2008
Ernst Stuhlinger was a prominent German-American scientist known for his contributions to atomic, electrical, and rocket science. As part of Operation Paperclip, he collaborated with Wernher von Braun's team in developing guidance systems for the US Army. He later worked as a scientist at NASA, where he played a key role in the development of the ion engine for long-endurance space flight. Stuhlinger's professional endeavors spanned a wide range of scientific experiments and innovations, solidifying his legacy as a pioneer in space exploration.
 74 
Rolf Landauer
(Physicist)
Rolf Landauer
1
Birthdate: February 4, 1927
Sun Sign: Aquarius
Birthplace: Stuttgart, Germany
Died: April 28, 1999
Rolf Landauer, a German-American physicist, emigrated to the U.S. in 1938. He obtained a Ph.D. in physics from Harvard in 1950 and spent most of his career at IBM. In 1961, he discovered Landauer's principle, which states that in any operation manipulating information, entropy increases and energy is dissipated as heat. He also developed the Landauer formula connecting electrical resistance to scattering properties. Landauer's work has implications for reversible computing, quantum information, and quantum computing. He received prestigious awards for his contributions to physics.
 75 
Konrad Dannenberg
(Rocket scientist)
Konrad Dannenberg
1
Birthdate: August 5, 1912
Sun Sign: Leo
Birthplace: Weißenfels, Germany
Died: February 16, 2009
Konrad Dannenberg was a German-American rocket pioneer who played a pivotal role in the development of space exploration. As a member of the German rocket team brought to the United States after World War II, Dannenberg made significant contributions to the American space program. He was involved in the development of important projects such as the Saturn V rocket, which was crucial in the Apollo moon missions. Dannenberg's expertise and dedication helped advance rocket technology and shape the future of space exploration.