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 1 
Marie Curie
(The First Woman to Win a Nobel Prize)
Marie Curie
39
Birthdate: November 7, 1867
Sun Sign: Scorpio
Birthplace: Warsaw, Poland
Died: July 4, 1934
Amongst the most notable scientists of her time, the first woman to win a Nobel Prize, the sole person to win two Nobel Prize in two different category, and the first woman professor at the University of Paris—Marie Curie’s list of achievements is incredible. She did extensive research in the field of radioactivity and discovered polonium and radium.
 2 
Galileo Galilei
(Known as “Father” of Observational Astronomy who Invented the ‘Thermoscope’ and Various Military Compasses)
Galileo Galilei
27
Birthdate: February 15, 1564
Sun Sign: Aquarius
Birthplace: Pisa, Italy
Died: January 8, 1642

An Italian astronomer, engineer, and physicist, Galileo Galilei is widely regarded as the father of observational astronomy, the father of the scientific method, the father of modern physics, and the father of modern science. He is credited with popularizing the telescope, which changed the course of history.

 3 
Albert Einstein
(One of the Greatest Physicists of All Time, Best Known for Developing the Theory of Relativity)
Albert Einstein
38
Birthdate: March 14, 1879
Sun Sign: Pisces
Birthplace: Ulm, Germany
Died: April 18, 1955
Deemed as the most influential physicist of the 20th century, the German-born physicist Albert Einstein was one of the greatest minds to have ever lived. Even his name is now synonymous with the term genius. The father of Modern Physics is credited with developing the theory of relativity and explaining the photoelectric effect. The latter won him the Nobel Prize.
 4 
Archimedes
(One of the Leading Scientists in Classical Antiquity and the Greatest Mathematician of Ancient History)
Archimedes
12
Birthdate: 0287 AD
Birthplace: Syracuse, Italy
Died: 0212 AD
Greek mathematician, physicist, and astronomer Archimedes is remembered for his contribution to mathematics, especially geometry. He laid down theorems related to the area of a circle, and the area and volume of a sphere, and reached an accurate value of pi. He also invented machines such as the screw pump.
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 5 
Stephen Hawking
(Theoretical Physicist - First to Set Out a Theory of Cosmology)
Stephen Hawking
72
Birthdate: January 8, 1942
Sun Sign: Capricorn
Birthplace: Oxford, England
Died: March 14, 2018

Stephen Hawking was an English theoretical physicist and cosmologist, who despite being afflicted motor neurone disease that severely limited his physical abilities, was able to build a phenomenally successful career. He was the first to set out a theory of cosmology explained by a union of the general theory of relativity and quantum mechanics. Hawking was ranked 25 in the BBC's poll of the 100 Greatest Britons, in 2002.

 6 
Michael Faraday
(English Scientist Who Contributed to the Study of Electromagnetism and Electrochemistry)
Michael Faraday
16
Birthdate: September 22, 1791
Sun Sign: Virgo
Birthplace: Newington Butts, London, United Kingdom
Died: August 5, 1867

Michael Faraday was an English scientist known for his contribution to the study of electrochemistry and electromagnetism. Considered one of the most influential scientists ever, Faraday's inventions of electromagnetic rotary devices established the basis for electric motor technology. His research also helped understand the concept of the electromagnetic field. Ernest Rutherford called him one of the greatest scientific discoverers ever.

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 7 
Carl F. Gauss
(One of the Greatest Mathematicians of All Tim)
Carl F. Gauss
7
Birthdate: April 30, 1777
Sun Sign: Taurus
Birthplace: Brunswick, Germany
Died: February 23, 1855

German mathematician and physicist Carl Friedrich Gauss is remembered for his work in math and science. Known as the Princeps mathematicorum, he laid down tenets such as the Gauss's Law. He had exhibited his talent since an early age and had completed writing Disquisitiones Arithmeticae by 21.

 8 
Blaise Pascal
(One of the Greatest Mathematicians of All Time Who Invented the Mechanical Calculator)
Blaise Pascal
9
Birthdate: June 19, 1623
Sun Sign: Gemini
Birthplace: Clermont-Ferrand, France
Died: August 19, 1662

Blaise Pascal was a French physicist, mathematician, philosopher, and inventor. A child prodigy, Pascal's work on projective geometry, at the age of 16 is commendable. He is one of the earliest inventors of the mechanical calculator, which he did when he was still a teenager. His work on probability theory influenced the development of social science and modern economics.

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 9 
Richard Feynman
(One of the Joint Winners of Nobel Prize in Physics in 1965)
Richard Feynman
26
Birthdate: May 11, 1918
Sun Sign: Taurus
Birthplace: New York, New York, United States
Died: February 15, 1988

Theoretical physicist Richard Feynman won the Nobel Prize in Physics in 1965, along with Julian Schwinger and Shin'ichirƍ Tomonaga, for his research on quantum electrodynamics. He also contributed to the development of the atomic bomb. Feyman made it to Physics World’s list of the 10 greatest physicists of all time.

 10 
Erwin Schrödinger
(Austrian Physicist Who Made Important Contributions to the Development of Quantum Mechanics)
Erwin Schrödinger
10
Birthdate: August 12, 1887
Sun Sign: Leo
Birthplace: Erdberg, Vienna, Austria
Died: January 4, 1961
Austrian physicist Erwin Schrödinger, is best known for the "Schrödinger's cat" experiment, or the Schrodinger equation. His book What Is Life? explored genetics through physics. The Nobel Prize winner also wrote on a variety of topics, such as color theory and thermodynamics, and tried to create a unified field theory.
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 11 
C.V. Raman
(Physicist)
C.V. Raman
35
Birthdate: November 7, 1888
Sun Sign: Scorpio
Birthplace: Tiruchirappalli, Madras Province
Died: November 21, 1970
Indian physicist C.V. Raman earned the Nobel Prize in Physics after discovering the Raman effect. He was the first director of the IISc and founded the Indian Academy of Sciences and the Raman Research Institute. He destroyed his Bharat Ratna medal in protest against Jawaharlal Nehru’s policies on science.
 12 
J. Robert Oppenheimer
(American Theoretical Physicist and Former Wartime Head of the ‘Los Alamos Laboratory’)
J. Robert Oppenheimer
22
Birthdate: April 22, 1904
Sun Sign: Taurus
Birthplace: New York, New York, United States
Died: February 18, 1967

Hailed as a brilliant scientific mind, American physicist J Robert Oppenheimer, led the Manhattan Project which resulted in the development of atomic bomb during the World War II. The bombs were dropped on the Japanese cities of Hiroshima and Nagasaki in 1945. However, Oppenheimer was in a constant conflict over the moral issue of the weapons of mass destruction and rallied against nuclear proliferation.

 13 
Ernest Rutherford
(New Zealand Physicist Who is Known as the Father of Nuclear Physics)
Ernest Rutherford
9
Birthdate: August 30, 1871
Sun Sign: Virgo
Birthplace: Brightwater, New Zealand
Died: October 19, 1937

New Zealand physicist Ernest Rutherford is remembered as the father of nuclear physics. His discovery of radioactive half-life and of radon, and his differentiation of alpha and beta radiation, won him the Nobel Prize in Chemistry in 1908. Element 104 was named rutherfordium in his honor.

 14 
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

This 17th-century German mathematician, astronomer, and astrologer is remembered for his pathbreaking work on optics. He invented a developed version of the refracting telescope. He also laid down Kepler's laws of planetary motion and wrote Astronomia Nova, Harmonices Mundi, and Epitome Astronomiae Copernicanae.

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 15 
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

German theoretical physicist Max Planck is remembered for originating the quantum theory of physics, which earned him the 1918 Nobel Prize in Physics. He laid down concepts such as the Planck constant and the Planck postulate. The Kaiser Wilhelm Society was later renamed Max Planck Society in his honor.

 16 
Werner Heisenberg
(German Theoretical Physicist and One of the Main Pioneers of the Theory of Quantum Mechanics)
Werner Heisenberg
22
Birthdate: December 5, 1901
Sun Sign: Sagittarius
Birthplace: WĂŒrzburg, Germany
Died: February 1, 1976
German theoretical physicist Werner Heisenberg is best known for pioneering quantum mechanics. He received the 1932 Nobel Prize in Physics. He had also helped Germany plan nuclear weapon strategies during World War II and was the director of what is now known as the Max Planck Institute for Physics.
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 17 
Niels Bohr
(Danish Physicist Who Made Foundational Contributions to Understanding Atomic Structure and Quantum Theory)
Niels Bohr
11
Birthdate: October 7, 1885
Sun Sign: Libra
Birthplace: Copenhagen, Denmark
Died: November 18, 1962
Nobel Prize-winning Danish physicist Niels Bohr is remembered for his work on the atomic structure and quantum theory. He laid down the Bohr model of the atom and established the Niels Bohr Institute. The element Bohrium has been named after him. He was also part of the British nuclear project.
 18 
Robert Hooke
(Philosopher)
Robert Hooke
9
Birthdate: July 28, 1635
Sun Sign: Leo
Birthplace: Freshwater, Isle of Wight
Died: March 3, 1703

Scientist Robert Hooke, also called England's Leonardo, initially gained recognition as an architect, conducting surveys following the Great Fire of London. He also taught geometry and was part of the Royal Society. He assisted Robert Boyle and eventually developed his own microscope, thus becoming the first to visualize micro-organisms.

 19 
Jagadish Chandra Bose
16
Birthdate: November 30, 1858
Sun Sign: Sagittarius
Birthplace: Bikrampur, Bengal Presidency, British India (Now Munshiganj District of Bangladesh)
Died: November 23, 1937

Indian physicist, biologist, and plant physiologist Jagadish Chandra Bose revolutionized science with his research on how plants and animals react to external stimuli. He founded the Bose Institute, made pioneering contribution to the field of radio and microwave optics, and also penned one of the first works of Bengali science fiction.

 20 
Homi Bhabha
(Indian physicist)
Homi Bhabha
12
Birthdate: October 30, 1909
Sun Sign: Scorpio
Birthplace: Mumbai, India
Died: January 24, 1966

Padma Bhushan-winning physicist Homi Bhabha revolutionized the Indian nuclear program singlehandedly. Born into an affluent family, he was educated at Cambridge. Initially geared toward a career in mechanical engineering, he later drifted to physics, eventually contributing to the formation of TIFR. The Bhabha Atomic Research Centre is named after him.

 21 
J. J. Thomson
(British Physicist Who is Credited With the Discovery of the Electron)
J. J. Thomson
7
Birthdate: December 18, 1856
Sun Sign: Sagittarius
Birthplace: Lancashire, England, United Kingdom
Died: August 30, 1940

J. J. Thomson was a British physicist credited with the discovery of the electron, the first subatomic particle to be discovered. He was awarded the Nobel Prize in Physics in 1906 for his work on the conduction of electricity in gases. In 1884, he was appointed Cavendish Professor of Physics at the University of Cambridge. 

 22 
Wilhelm Rontgen
(German Mechanical Engineer and Winner of the 1901 Nobel Prize in Physics)
Wilhelm Rontgen
6
Birthdate: March 27, 1845
Sun Sign: Aries
Birthplace: Lennep, Remscheid, Germany
Died: February 10, 1923

Wilhelm Rontgen was a German physicist and mechanical engineer. He is best remembered for producing and detecting X-rays for which he was honored with the first Nobel Prize in Physics in 1901. His discovery of X-rays remains one of the greatest achievements in the field of medical science.

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 23 
Satyendra Nath Bose
(Indian Mathematician and Physicist, Best Known for His Work on Quantum Mechanics)
Satyendra Nath Bose
9
Birthdate: January 1, 1894
Sun Sign: Capricorn
Birthplace: Kolkata, India
Died: February 4, 1974

Best known for working with Albert Einstein to form Bose–Einstein statistics, Indian scientist Satyendra Nath Bose was a master of quantum mechanics. He played the esraj, loved poetry, and had mastered quite a few languages. The Padma Vibhushan winner was also made a Fellow of The Royal Society.

 24 
Count Alessandro Volta
(Physicist, Chemist)
Count Alessandro Volta
10
Birthdate: February 18, 1745
Sun Sign: Aquarius
Birthplace: Como, Duchy of Milan, Italy
Died: March 5, 1827
While Alessandro Volta was a count by birth and was supposed to become a lawyer or a priest, he became a scientist instead. His invention of the battery led to the SI unit of electric potential being named volt. He was also the first to isolate methane gas.
 25 
Lord Kelvin
(Mathematician, Physicist)
Lord Kelvin
7
Birthdate: June 26, 1824
Sun Sign: Cancer
Birthplace: Belfast
Died: December 17, 1907

Lord Kelvin was a British mathematical physicist and engineer. He studied at the Glasgow University and proceeded to teach there as well. Besides his academic career, he also had a career as an electric telegraph engineer and inventor. He received the Royal Society's Copley Medal in 1883. Absolute temperatures are stated in units of kelvin in his honor.

 26 
Enrico Fermi
(Italian Physicist, Nobel Laureate and Creator of the World's First Nuclear Reactor)
Enrico Fermi
7
Birthdate: September 29, 1901
Sun Sign: Libra
Birthplace: Rome, Italy
Died: November 28, 1954
Italian physicist Enrico Fermi created the Chicago Pile-1, the world's first nuclear reactor. Known widely as the "architect of the atomic bomb," he was equally proficient in theoretical and experimental physics, and won the 1938 Nobel Prize in Physics for his work on radioactivity and for discovering transuranium elements.
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 27 
Subrahmanyan Chandrasekhar
(Astrophysicist Known for his 'Theoritical Studies of the Physical processes of importance to the Structure and Evolution of the Stars')
Subrahmanyan Chandrasekhar
10
Birthdate: October 19, 1910
Sun Sign: Libra
Birthplace: Lahore, Pakistan
Died: August 21, 1995

Remembered for his varied contribution to astrophysics, Subrahmanyan Chandrasekhar is perhaps best known for his work on the evolution of massive stars. Today known as Chandrasekhar limit, it contributed to final understanding of supernovas, neutron stars, and black holes. A prolific writer, he also did significant work on energy transfer by radiation in stellar atmospheres and convection on solar surface.

 28 
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 Hertz was a German physicist best remembered for proving the existence of electromagnetic waves with conclusive evidence. For his contributions, Hertz has been honored around the world by a number of countries, including Japan, Russia, and Germany. In 1930, the International Electrotechnical Commission established hertz (Hz) as the SI unit for frequency.

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 29 
Guglielmo Marconi
(Inventor of 'Radio' and Winner of 1909 Nobel Prize in Physics)
Guglielmo Marconi
10
Birthdate: April 25, 1874
Sun Sign: Taurus
Birthplace: Bologna, Italy
Died: July 20, 1937

Guglielmo Marconi was an Italian electrical engineer and inventor best remembered for his work on long-distance radio transmission. Marconi, who is credited with inventing the radio, was honored with the 1909 Nobel Prize in Physics for his work in the field of wireless telegraphy. Also a businessman, Marconi founded the Wireless Telegraph & Signal Company in 1897. 

 30 
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: WrocƂaw, Poland
Died: January 5, 1970
From being home-schooled for being too sickly to attend school, Max Born went on to win the Nobel Prize in Physics for his contribution to quantum mechanics. Being a Jew, with the rise of the Nazi power, he lost his professorship at the University of Göttingen, and moved to Cambridge.
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 31 
Christiaan Huygens
(Mathematician, Physicist)
Christiaan Huygens
9
Birthdate: April 14, 1629
Sun Sign: Aries
Birthplace: The Hague, Netherlands
Died: July 8, 1695

From proposing the wave theory of light to discovering the actual shape of the rings of Saturn and inventing the pendulum clock, Dutch scientist Christiaan Huygens had contributed a lot to science. Born to a diplomat, Huygens had the privilege of an elite education but remain sickly throughout his life.

 32 
Paul Dirac
(One of the Most Significant Physicists of the 20th Century and Nobel Laureate)
Paul Dirac
5
Birthdate: August 8, 1902
Sun Sign: Leo
Birthplace: Bristol, England
Died: October 20, 1984

English theoretical physicist and Nobel laureate Paul Dirac OM FRS, counted among leading physicists of the 20th century, made fundamental contributions in the early development of quantum electrodynamics and quantum mechanics. He derived the Dirac equation while the modern theory of antimatter began with one of his papers. His book The Principles of Quantum Mechanics remains an influential monograph on the subject.

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 33 
Wolfgang Pauli
(One of the Pioneers of Quantum Physics and Winner of 1945 Nobel Prize for Physics)
Wolfgang Pauli
6
Birthdate: April 25, 1900
Sun Sign: Taurus
Birthplace: Vienna, Austria
Died: December 15, 1958

Nobel Prize-winning Austrian physicist Wolfgang Pauli is remembered for his contribution to quantum physics and for laying down the Pauli principle. While he was initially married to a cabaret dancer, the marriage ended in a divorce after a year. His written works are considered classics in science.

 34 
Isaac Newton
(One of the Most Influential Scientists of All Time)
Isaac Newton
19
Birthdate: January 4, 1643
Sun Sign: Capricorn
Birthplace: Lincolnshire, England
Died: March 31, 1727

One of the most influential and popular scientists of all time, Sir Isaac Newton played a prominent role in our understanding of natural phenomena. He formulated the law of universal gravitation and laws of motion. He also developed the Newtonian telescope among other devices. Apart from science, Newton was also intrigued by religion, occult, and alchemy.

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 35 
James Chadwick
(Discoverer of Neutron)
James Chadwick
8
Birthdate: October 20, 1891
Sun Sign: Libra
Birthplace: Bollington
Died: July 24, 1974

Best remembered as a Nobel laureate who discovered neutron, Sir James Chadwick began his career at Cavendish Laboratory, Cambridge, where he worked with Ernest Rutherford to investigate the nature of atomic nucleus, a work that led to the epoch-making discovery. Credited with writing the final draft of the MAUD Report, he also headed the British team at the Manhattan Project

 36 
Nikola Tesla
(Inventor, Engineer & Futurist, Who Obtained Over 300 Patents)
Nikola Tesla
19
Birthdate: July 10, 1856
Sun Sign: Cancer
Birthplace: Smiljan, Croatia
Died: January 7, 1943

Inventor, engineer and futurist, Nikola Tesla, is best remembered for his contribution to the development of the modern alternating current (AC) electricity supply system. A prolific inventor, he had around 300 patents for his inventions. Even though he earned a considerable amount of money, he had poor money management skills and died a poor man.

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 37 
Louis de Broglie
(Physicist)
Louis de Broglie
8
Birthdate: August 15, 1892
Sun Sign: Leo
Birthplace: Dieppe
Died: March 19, 1987

Louis de Broglie was a French aristocrat and physicist who made important contributions to quantum theory. His de Broglie hypothesis, which suggests that all matter has wave properties, is one of the most important features in the theory of quantum mechanics. In 1929, de Broglie was honored with the Nobel Prize for Physics for his work.

 38 
James Prescott Joule
7
Birthdate: December 24, 1818
Sun Sign: Capricorn
Birthplace: Salford, Lancashire, England, UK
Died: October 11, 1889

English physicist, and mathematician, James Prescott Joule primarily worked on the nature of heat, in course of which he established that all forms of energy are fundamentally same and therefore inter-convertible. His findings resulted in the development of the first law of thermodynamics and negation of calorie theory. The SI derived unit of energy, the joule, is named after him.

 39 
Georg Ohm
(Physicist & Mathematician)
Georg Ohm
4
Birthdate: March 16, 1789
Sun Sign: Pisces
Birthplace: Erlangen, Germany
Died: July 6, 1854

Georg Ohm was a German mathematician and physicist. He is credited with discovering the proportionality between the voltage applied through a conductor and the subsequent electric current, which came to be known as Ohm's law. His work earned him the prestigious Copley Medal in 1841. A prolific writer, Georg Ohm published several papers and pamphlets throughout his career.

 40 
Leonhard Euler
(Mathematician, Physicist)
Leonhard Euler
8
Birthdate: April 15, 1707
Sun Sign: Aries
Birthplace: Basel
Died: September 18, 1783

Leonhard Euler was a Swiss physicist, mathematician, logician, geographer, astronomer, and engineer. He is credited with making influential and important mathematical discoveries, such as graph theory and infinitesimal calculus. Widely regarded as one of the greatest and most prolific mathematicians of all time, Leonhard Euler also made pioneering contributions to analytic number theory and topology.

 41 
Henry Moseley
(Physicist)
Henry Moseley
7
Birthdate: November 23, 1887
Sun Sign: Sagittarius
Birthplace: Weymouth, Dorset, England
Died: August 10, 1915

Henry Moseley was an English physicist best known for his development of Moseley's law in X-ray spectra. He made major contributions to the fields of atomic physics, nuclear physics, and quantum physics. He was working at the University of Oxford when World War I broke out, following which he went to volunteer for the Royal Engineers of the British Army. 

 42 
James Maxwell
(Scottish Mathematician and Scientist Who Gave the Classical Theory of Electromagnetic Radiation)
James Maxwell
5
Birthdate: June 13, 1831
Sun Sign: Gemini
Birthplace: Edinburgh, Scotland
Died: November 5, 1879

Scottish physicist James Maxwell’s contributions included the formulation of the classical theory of electromagnetic radiation and the production of the first light-fast color photograph. His Maxwell–Boltzmann distribution explored the kinetic theory of gases. He has also written poems and was an Elder of the Church of Scotland.

 43 
Thomas Young
(Physician)
Thomas Young
6
Birthdate: June 13, 1773
Sun Sign: Gemini
Birthplace: Milverton
Died: May 10, 1829

Often referred as The Last Man Who Knew Everything, British polymath Thomas Young made significant contributions to a wide range of subjects like vision, light, energy, musical harmony etc. Especially famous for Wave Theory of Light, he also made significant contribution in deciphering of Egyptian hieroglyphs. Young-Helmholtz theory, Young temperament and Young's Modulus carry his legacy to these days.

 44 
Daniel Gabriel Fahrenheit
(Polish Physicist and Inventor)
Daniel Gabriel Fahrenheit
4
Birthdate: May 24, 1686
Sun Sign: Gemini
Birthplace: GdaƄsk, Poland
Died: September 16, 1736

Daniel Gabriel Fahrenheit was a scientific instrument maker, inventor, and physicist. One of the most prominent and influential personalities of the Dutch Golden Age of science and technology, Fahrenheit is credited with many important inventions, including the mercury-in-glass thermometer and Fahrenheit scale. His inventions helped shape the history of thermometry. 

 45 
Pierre Curie
(Nobel Laureate in Physics)
Pierre Curie
12
Birthdate: May 15, 1859
Sun Sign: Taurus
Birthplace: Paris, France
Died: April 19, 1906

A pioneer in crystallography, radioactivity, piezoelectricity, and magnetism, Pierre Curie was a French physicist who won the Nobel Prize in Physics along with Henri Becquerel and Marie Curie. Despite being an atheist, Pierre Curie was fascinated by spiritualism as he believed that spiritual questions deal with physics. 

 46 
Henri Becquerel
(Physicist, Discoverer of Radioactivity)
Henri Becquerel
8
Birthdate: December 15, 1852
Sun Sign: Sagittarius
Birthplace: Paris, France
Died: August 25, 1908

Nobel Prize-winning physicist Henri Becquerel is known for his chance discovery of spontaneous radioactivity. Born into a family of scientists, Becquerel had been an engineer and a physics professor earlier. Marie Curie, who shared the Nobel with him and her husband, Pierre, was one of his doctoral students.

 47 
Anders Celsius
(Astronomer, Physicist, Mathematician)
Anders Celsius
9
Birthdate: November 27, 1701
Sun Sign: Sagittarius
Birthplace: Uppsala
Died: April 25, 1744
Inventor of the centigrade or the Celcius scale of temperature, Swedish astronomer and scientist Anders Celsius was no stranger to science, being the son of an astronomy professor and the grandson of mathematician Magnus Celsius. His expeditions confirmed Isaac Newton's belief that the earth was flattened at the poles.
 48 
Hermann von Helmholtz
(Physicist and Physician)
Hermann von Helmholtz
4
Birthdate: August 31, 1821
Sun Sign: Virgo
Birthplace: Potsdam
Died: September 8, 1894

A descendant of Pennsylvania founder William Penn through his mother, Hermann von Helmholtz studied medicine, pushed by his father, in spite of being interested in the natural sciences. Best known for his law of conservation of energy, he coalesced the fields of medicine, physiology, math, and physics in his studies.

 49 
John Dalton
(Chemist, Physicist and Meteorologist Best Known for Developing the 'Atomic Theory')
John Dalton
6
Birthdate: September 6, 1766
Sun Sign: Virgo
Birthplace: Eaglesfield, Cumberland, England
Died: July 27, 1844

John Dalton was an English chemist, physicist, and meteorologist most famous for introducing the atomic theory into chemistry. He also contributed a lot to the study of color blindness, sometimes referred to as Daltonism in his honor. He was the first scientist to refer to the smallest particle of matter as an “atom.” He was a Quaker and lived modestly. 

 50 
Hendrik Lorentz
(Dutch Physicist and Winner of the 1902 Nobel Prize in Physics)
Hendrik Lorentz
5
Birthdate: July 18, 1853
Sun Sign: Cancer
Birthplace: Arnhem, Netherlands
Died: February 4, 1928

Nobel Prize-winning Dutch physicist Hendrik Lorentz, a major figure of the Second Dutch Golden Age, is remembered for his discovery of the Zeeman effect, along with his former student Pieter Zeeman, who shared the Nobel with Lorentz. His research on electromagnetic radiation prepared ground for Einstein’s special theory of relativity.