Aquarius Scientists

This ranking is based on an algorithm that combines various factors, including the votes of our users and search trends on the internet.

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 1 Galileo Galilei

Galileo Galilei
Famous As: Astronomer
Birthdate: February 15, 1564
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.

 2 Dmitri Mendeleev

Dmitri Mendeleev
Famous As: Inventor of Periodic Table
Birthdate: February 8, 1834
Birthplace: Tobolsk
Died: February 2, 1907
Russian chemist Dmitri Mendeleev created the Periodic Law and his version of the Periodic Table of Elements that revolutionized the field of chemistry. His table was independent of German chemist Julius Lothar Meyer’s version of the table. Mendeleev also assisted in the development of the first oil refinery in Russia.

 3 Count Alessandro Volta

Count Alessandro Volta
Famous As: Physicist, Chemist
Birthdate: February 18, 1745
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.
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 4 David Hilbert

David Hilbert
Famous As: Mathematician
Birthdate: January 23, 1862
Birthplace: Königsberg or Wehlau, Province of Prussia (today Znamensk, Kaliningrad Oblast, Russia)
Died: February 14, 1943

German mathematician David Hilbert was first drawn to math inspired by his mother, who was a budding math enthusiast. He contributed to a host of concepts, theories, and postulates, such as Hilbert space, Hilbert's program, and Hilbert's problems. He died in oblivion, with a handful of people at his funeral.

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 5 Robert Boyle

Robert Boyle
Famous As: Founder of Modern Chemistry, Boyle's Law
Birthdate: January 25, 1627
Birthplace: Ireland
Died: December 30, 1691

Robert Boyle was an Anglo-Irish chemist, natural philosopher, inventor, and physicist. Regarded as the first modern chemist, Boyle is often counted among the founders of modern chemistry. One of the pioneers of the scientific method, Robert Boyle is also remembered for his books, including The Sceptical Chymist, which is viewed as a keystone book in chemistry.

 6 G. H. Hardy

G. H. Hardy
Famous As: Mathematician
Birthdate: February 7, 1877
Birthplace: Cranleigh, England
Died: December 1, 1947

English mathematician G. H. Hardy is best recognised for his work and achievements in number theory and mathematical analysis, and also as mentor of distinguished Indian mathematician Srinivasa Ramanujan. He is noted for his essay on mathematics titled A Mathematician's Apology. He also made his mark in biology formulating a basic principle of population genetics called Hardy–Weinberg principle.  

 7 John Napier

John Napier
Famous As: Inventor of Logarithms
Birthdate: February 1, 1550
Birthplace: Merchiston Tower, Edinburgh
Died: April 4, 1617

John Napier was a Scottish mathematician, astronomer, and physicist. He is credited with introducing logarithms as a means of simplifying calculations. He also invented Napier's bones, a manually-operated calculating device. In addition to his interest in mathematics, John Napier was also known for his skills as a magician; it is said that he dabbled in necromancy and alchemy.

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 8 Joseph Louis Lagrange

Joseph Louis Lagrange
Famous As: Mathematician
Birthdate: January 25, 1736
Birthplace: Turin, Italy
Died: April 10, 1813

Joseph Louis Lagrange was an Italian mathematician and astronomer who made significant contributions to the fields of number theory, analysis, and both classical and celestial mechanics. He served as the director of mathematics at the Prussian Academy of Sciences in Berlin for over 20 years. He later moved to France and became a member of the French Academy of Sciences. 

 9 Ken Thompson

Ken Thompson
Famous As: Computer Scientist
Birthdate: February 4, 1943
Birthplace: New Orleans, Louisiana, United States

 10 Charles Darwin

Charles Darwin
Famous As: Naturalist known for His Contributions to Evolutionary Biology
Birthdate: February 12, 1809
Birthplace: The Mount House, Shrewsbury, England
Died: April 19, 1882

Widely regarded as one of the most influential personalities in the history of mankind, Charles Darwin was an English biologist, naturalist, and geologist. He is credited with publishing the Theory of Evolution, which explains the evolution of life from a unicellular organism to human beings. A prolific writer, Charles Darwin also wrote important books on plants and barnacles.

 11 Lewis Carroll

Lewis Carroll
Famous As: Author
Birthdate: January 27, 1832
Birthplace: Daresbury, Cheshire, England
Died: January 14, 1898
Charles Lutwidge Dodgson, better known by his pseudonym, Lewis Carroll, is remembered for his iconic children’s fiction such as Alice's Adventures in Wonderland and Through the Looking-Glass. He explored the genre of literary nonsense with his poems such as Jabberwocky. He was also a photographer, a mathematician, and an inventor.

 12 Clyde Tombaugh

Clyde Tombaugh
Famous As: Astronomer, University teacher
Birthdate: February 4, 1906
Birthplace: Streator
Died: January 17, 1997

Though he wasn’t formally educated in astronomy, Clyde Tombaugh was immensely interested in the subject since childhood and had built his own telescope after high school. He grew up to discover Pluto, then regarded as the ninth planet but later declared a "dwarf planet," and many other celestial bodies.

 13 Nasir al-Din al-Tusi

Nasir al-Din al-Tusi
Famous As: Writer
Birthdate: February 18, 1201
Birthplace: Tous, Iran
Died: June 26, 1274

Persian polymath Nasir al-Din al-Tusi lost his jurist father in childhood and then went around as a scholar, learning subjects such as math and philosophy. He made invaluable contribution to astronomy and later served as a scientific advisor of the Mongols. One of his notable written works was Akhlaq-i Nasiri.

 14 Tasuku Honjo

Tasuku Honjo
Famous As: Immunologist
Birthdate: January 27, 1942
Birthplace: Kyoto, Kyoto Prefecture, Japan

 15 Michio Kaku

Michio Kaku
Famous As: Physicist who wrote the best-selling books Physics of the Impossible
Birthdate: January 24, 1947
Birthplace: San Jose, California, United States

Apart from teaching at the City College of New York, theoretical physicist Michio Kaku also often pens his thoughts in blogs and has written several bestselling books, such as The God Equation. His research is focused on the string theory. He also believes in the existence of aliens.

 16 Guido van Rossum

Guido van Rossum
Famous As: Creator of the Python programming language
Birthdate: January 31, 1956
Birthplace: Haarlem, Netherlands
Dutch programmer Guido van Rossum is known as the inventor of the Python programming language. He has also worked with Google and Dropbox earlier. In November 2020, he announced he announced his decision to join the Developer Division of Microsoft. He has won several honors, such as the NLUUG Award.

 17 Walter Lewin

Walter Lewin
Famous As: Astronomer, University teacher, Astrophysicist, Physicist
Birthdate: January 29, 1936
Birthplace: The Hague

 18 Giordano Bruno

Giordano Bruno
Famous As: Philosopher & Mathematician Known For His Cosmological Theories
Birthdate: January 31, 1548
Birthplace: Nola, Italy
Died: February 17, 1600

Giordano Bruno was an Italian philosopher, friar, mathematician, cosmological theorist, poet, and Hermetic occultist. Best remembered for his cosmological theories, Bruno insisted that the universe could have no center as it is infinite. In 2004, Herbert Steffen founded the Giordano Bruno Foundation in Bruno's honor.

 19 Niklaus Wirth

Niklaus Wirth
Famous As: Computer Scientist
Birthdate: February 15, 1934
Birthplace: Winterthur, Switzerland

Turing Award-winning Swiss computer scientist Niklaus Wirth revolutionized information technology with his invention of computer languages such as ALGOL-W, PASCAL, and MODULA. He has also taught at Stanford and ETH Zürich and penned a number of books on algorithms and data structures. He has also popularized Wirth's law.

 20 Josiah Willard Gibbs

Josiah Willard Gibbs
Famous As: Scientist
Birthdate: February 11, 1839
Birthplace: New Haven, Connecticut, United States
Died: April 28, 1903

Josiah Willard Gibbs was an American scientist best remembered for making major theoretical contributions to mathematics, physics, and chemistry. As a mathematician, Gibbs is credited with inventing modern vector calculus. In 1901, he was honored with the prestigious Copley Medal for his contributions. Josiah Willard Gibbs's work had a major influence on physicists like J. D. van der Waals.

 21 Jim Cantore

Jim Cantore
Famous As: Meteorologists
Birthdate: February 16, 1964
Birthplace: Beacon Falls, Connecticut, USA
Best known for his long stint on The Weather Channel, meteorologist Jim Cantore has gained fame for making his weather reports interesting to even a lay person. He has hosted weather segments for the 2012 Summer Olympics and is also known for his authentic storm reports, which have often become viral.

 22 Lev Landau

Lev Landau
Famous As: Physicist
Birthdate: January 22, 1908
Birthplace: Baku, Azerbaijan
Died: April 1, 1968

Nobel Prize-winning Russian physicist Lev Landau is remembered for his pathbreaking research in quantum mechanics. A math prodigy, he had learned calculus at 13. He failed to receive his Nobel in person due to a near-fatal car crash which caused him injuries that eventually caused his death 6 years later.

 23 Swedenborg

Famous As: Theologian, Philosopher, Scientist
Birthdate: January 29, 1688
Birthplace: Stockholm, Sweden
Died: March 29, 1772

Emanuel Swedenborg was a Swedish pluralistic-Christian philosopher, mystic, theologian, and scientist. Swedenborg started hogging the limelight after writing a book on the afterlife titled Heaven and Hell, which released in 1758. A prolific scientist and inventor, Swedenborg experienced spiritual awakening after which he started working on reforming Christianity. He even claimed that he could converse with angels and demons.

 24 Ernst Haeckel

Ernst Haeckel
Famous As: Zoologist
Birthdate: February 6, 1834
Birthplace: Potsdam, Germany
Died: July 31, 1919

Ernst Haeckel had initially practiced medicine before he gained an interest in Charles Darwin’s theory and began exploring zoology and related fields. He not only coined terms such as ecology, but also named numerous species and created a genealogical tree. He drew numerous figures of animals and sea creatures, too.

 25 Brian Greene

Brian Greene
Famous As: Chairman of the World Science Festival Since Co-founding It in 2008
Birthdate: February 9, 1963
Birthplace: New York, New York, United States

American theoretical physicist, mathematician, and string theorist Brian Greene is noted for popularising string theory through his books like The Elegant Universe, and The Fabric of the Cosmos and related PBS television specials. Greene taught as professor of physics at Cornell University, and presently serves as a professor at Columbia University. He is the co-founder and chairman of the World Science Festival.

 26 William Shockley

William Shockley
Famous As: Physicist
Birthdate: February 13, 1910
Birthplace: London, England
Died: August 12, 1989

American physicist, inventor and Nobel laureate William Bradford Shockley Jr received the Nobel Prize in Physics with John Bardeen and Walter Brattain in 1956 for their researches on semiconductors and for discovering the transistor effect while working at the Bell Labs. He later became a proponent of eugenics while serving as a professor of electrical engineering at Stanford University.

 27 Leslie Lamport

Leslie Lamport
Famous As: Mathematician, Computer scientist, Programmer, Engineer, Writer
Birthdate: February 7, 1941
Birthplace: New York City

 28 Andre Marie Ampere

Andre Marie Ampere
Famous As: Physicist
Birthdate: January 20, 1775
Birthplace: Parish of St. Nizier, Lyon, France
Died: June 10, 1836

Andre Marie Ampere was a French physicist and mathematician. He is best known for being one of the founders of the science of classical electromagnetism. He was a professor at the École Polytechnique and the Collège de France and a member of the French Academy of Sciences. The base SI unit of electric current, the ampere, is named after him. 

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 29 Peggy Whitson

Peggy Whitson
Famous As: Astronaut, Biochemist
Birthdate: February 9, 1960
Birthplace: Beaconsfield, Iowa, United States

The first woman to command the International Space Station, NASA astronaut Peggy Whitson was born to farmers and decided to become an astronaut after watching the moon landing on TV. She also boasts of a PhD in biochemistry and has been a researcher and educator of biochemistry and genetic engineering.

 30 Christina Ochoa

Christina Ochoa
Famous As: Actress, Science communicator
Birthdate: January 25, 1985
Birthplace: Barcelona, Spain

Christina Ochoa is a Spanish actress best known for her portrayal of Grace D'Argento in the American science fiction series, Blood Drive. Ochoa is credited with founding QE Productions, which produced the critically acclaimed short film, Stay with Me. Also a science communicator, Christina Ochoa has been the host of many scientific shows and conferences.

 31 Vitalik Buterin

Vitalik Buterin
Famous As: Computer scientist
Birthdate: January 31, 1994
Birthplace: Kolomna, Russia

 32 Daniel Bernoulli

Daniel Bernoulli
Famous As: Mathematician
Birthdate: February 8, 1700
Birthplace: Groningen
Died: March 17, 1782

Daniel Bernoulli was a Swiss physicist and mathematician. Born into the popular Bernoulli family of mathematicians, Daniel Bernoulli is renowned for his applications of mathematical equations to mechanics. He is also remembered for his pioneering work in statistics and probability. In 2002, he was inducted into the International Air & Space Hall of Fame.

 33 Fritz Zwicky

Fritz Zwicky
Famous As: Astronomer known for Dark matter, supernovae, galaxies as gravitational lenses, neutron stars
Birthdate: February 14, 1898
Birthplace: Varna, Bulgaria
Died: February 8, 1974

Born to a businessman and diplomat father in Bulgaria, Fritz Zwicky was initially sent to Switzerland to study commerce but ended up deviating to math and physics. He then moved to the U.S. to work with Caltech and gained fame for his research on what he called the supernova.

 34 Jerry Buss

Jerry Buss
Famous As: Businessman
Birthdate: January 27, 1933
Birthplace: Salt Lake City, Utah, USA
Died: February 18, 2013
Legendary LA Lakers co-owner Jerry Buss lived through a poverty-stricken childhood during the Great Depression. Growing up working odd jobs, he also once quit school to work for the railroads. He grew up to be a chemist and later also taught chemistry, before investing in real estate.

 35 Alfred North Whitehead

Alfred North Whitehead
Famous As: Mathematician, Philosopher
Birthdate: February 15, 1861
Birthplace: Ramsgate, Kent, England
Died: December 30, 1947

Alfred North Whitehead was a British mathematician and philosopher, best known for his collaboration with his student Bertrand Russell on Principal of Mathematics, a three-volume work on the foundations of mathematics. Also known for his pioneering works on process philosophy and metaphysics, he is credited with developing a comprehensive metaphysical system that differs from most Western philosophies.

 36 Theodosius Dobzhansky

Theodosius Dobzhansky
Famous As: Geneticist
Birthdate: January 24, 1900
Birthplace: Nemyriv, Ukraine
Died: December 18, 1975

Theodosius Dobzhansky was a Ukrainian-American geneticist and evolutionary biologist. He played a key role in shaping modern synthesis in the field of evolutionary biology.  His 1937 book, Genetics and the Origin of Species, is a seminal work on modern synthesis. He was the recipient of several awards, including the US National Medal of Science and the Franklin Medal.  

 37 Wilder Penfield

Wilder Penfield
Famous As: Surgeon, Neuroscientist, Neurosurgeon, University teacher, Neurologist
Birthdate: January 26, 1891
Birthplace: Spokane
Died: April 5, 1976

Neuroscientist Wilder Penfield redefined medical science with his innovative way of treating epilepsy patients through surgery. He would note down his patients’ responses when they would be conscious under local anesthesia. He also founded the Montreal Neurological Institute, but was unable to cure his sister’s brain cancer.

 38 Auguste Piccard

Auguste Piccard
Famous As: Chemist
Birthdate: January 28, 1884
Birthplace: Basel, Switzerland
Died: January 28, 1963

Swiss-born Belgian physicist Auguste Piccard is best remembered for his research on the Earth’s upper stratosphere. He designed his own ships to explore the depth of the seas and also built balloons to study cosmic rays. His bathyscaphe remains one of his best-known inventions. He also co-discovered the magnetocaloric effect.

 39 Walter Rothschild, 2nd Baron Rothschild

Walter Rothschild, 2nd Baron Rothschild
Famous As: Biologist, Banker, Politician, Zoologist, Ornithologist, Entomologist, Lepidopterist
Birthdate: February 8, 1868
Birthplace: England
Died: August 27, 1937

 40 Abdus Salam

Abdus Salam
Famous As: Theoretical Physicist
Birthdate: January 29, 1926
Birthplace: Sahiwal
Died: November 21, 1996

Abdus Salam was a Pakistani theoretical physicist who became the first Pakistani to be honored with the Nobel Prize in Physics. He was also the second person from an Islamic country to receive any Nobel Prize. He won the award in 1979 for his work concerning the electroweak unification theory. Salam played a major role in popularizing physics in Pakistan.

 41 Henry Fox Talbot

Henry Fox Talbot
Famous As: Inventor
Birthdate: February 11, 1800
Birthplace: Dorset, England
Died: September 17, 1877

Henry Fox Talbot was an English photography pioneer, inventor, and scientist. He is best remembered for inventing the calotype and salted paper processes that served as predecessors to photographic processes of the 20th century. He is also credited with inventing the photoglyphic engraving process. Henry Fox Talbot also played a major role in the progression of photography as an art.

 42 Thomas J. Watson

Thomas J. Watson
Famous As: Entrepreneur
Birthdate: February 17, 1874
Birthplace: Campbell, New York, United States
Died: June 19, 1956

 43 Ernst Mach

Ernst Mach
Famous As: Physicist
Birthdate: February 18, 1838
Birthplace: Brno, Czech Republic
Died: February 19, 1916

Austrian physicist and philosopher Ernst Mach is remembered for his contributions to the study of shock waves. He is also credited for discovering a non-acoustic function of the inner ear that helps control human balance. As a philosopher of science, he is considered a major influence on logical positivism and American pragmatism. 

 44 Douglas Hofstadter

Douglas Hofstadter
Famous As: Philosopher, Writer, University teacher, Computer scientist
Birthdate: February 15, 1945
Birthplace: New York City

 45 Leó Szilárd

Leó Szilárd
Famous As: Physicist
Birthdate: February 11, 1898
Birthplace: Budapest
Died: May 30, 1964

Physicist Leó Szilárd, one of the "Martians," or eminent scientists who had migrated from Hungary to the U.S., was the first to initiate a controlled nuclear chain reaction and was closely associated with the Manhattan Project, meant to develop the atomic bomb. He later advocated for responsible use of nuclear powers.

 46 Tam O'Shaughnessy

Tam O'Shaughnessy
Famous As: Tennis player, Writer
Birthdate: January 27, 1952
Birthplace: San Andreas, California, United States

 47 Kevin Warwick

Kevin Warwick
Famous As: Engineer, Writer, University teacher, Computer scientist
Birthdate: February 9, 1954
Birthplace: Coventry

A professor at the Coventry and Reading universities, engineer Kevin Warwicke specializes in artificial intelligence, robotics, and biomedical engineering. One of his most interesting research interests is the possibility of creating cyborgs, which has earned him the nickname Captain Cyborg. He has been awarded honorary doctorates from several universities.

 48 Yoshinori Ohsumi

Yoshinori Ohsumi
Famous As: Biologist
Birthdate: February 9, 1945
Birthplace: Fukuoka, Japan

 49 David D. Friedman

David D. Friedman
Famous As: Economist, Physicist, Blogger, Writer, University teacher
Birthdate: February 12, 1945
Birthplace: New York City

Eminent scholar David D. Friedman has excelled in a wide range of academic areas, including economics, physics, law, and business. The Harvard alumnus is best known for his anarcho-capitalist theories and the book The Machinery of Freedom but has penned countless other books, too, including two science-fiction fantasy novels.

 50 Bob Paisley

Bob Paisley
Famous As: Football player
Birthdate: January 23, 1919
Birthplace: Hetton-le-Hole, England
Died: February 14, 1996