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.
Richard Dawkins is a British ethologist, author, and evolutionary biologist. He first achieved popularity after publishing his book, The Selfish Gene, which is credited with popularizing the gene selection theory. The book is also credited with introducing the term meme. In 2006, he established the Richard Dawkins Foundation for Reason and Science to promote secularism and scientific literacy.
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.
Emmy Noether was a German mathematician best remembered for her contributions to abstract algebra. She is credited with discovering Noether's theorem, which is regarded as a fundamental theorem in mathematical physics. One of the most important mathematicians of her generation and the most important woman in mathematics history, Emmy Noether developed theories of algebras, fields, and rings.
Hungarian mathematician Paul Erdős spent most of his childhood at home, due to his mother’s overprotectiveness after his sisters died of scarlet fever. Known for his eccentricity, he used his own vocabulary. His contributions include the Ramsey theory, and he skipped many university job offers to continue working independently.
Though French scholar Pierre-Simon Laplace is primarily known for his work on the solar system, his research extended to areas such as mathematics and physics, apart from astronomy. Widely known as the Newton of France, he escaped being executed during the French Revolution, owing to his lack of political views.
Best remembered for his contribution to the chemistry of gases, Joseph Priestley was an English scientist, clergyman, political theorist and educator, who has been credited with discovering oxygen independently, publishing his findings before Carl Wilhelm could. A prolific writer, he has authored 150 works on various subjects including electricity. He also contributed immensely to the advancement of political and religious thoughts.
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.
Alexander Grothendieck was a 20th-century mathematician who was a leading figure in the creation of modern algebraic geometry. With his so-called "relative" perspective, he revolutionized many areas of pure mathematics. During his later career, he became a professor at the University of Montpellier. He is counted among the greatest mathematicians of the 20th century.
Joseph Fourier was a French physicist and mathematician best remembered for commencing the investigation of the Fourier series, which is used widely to solve problems of heat transfer and vibrations. Fourier's law of conduction and Fourier transform are named in his honor. Fourier is also said to have discovered the greenhouse effect.
Glenn T. Seaborg was an American chemist who shared the 1951 Nobel Prize in Chemistry with Edwin McMillan for discovering the first transuranium elements. He also authored or co-authored several books and articles, including 500 scientific journals. In 2005, Glenn T. Seaborg was inducted posthumously into the National Inventors Hall of Fame.

English mathematician Sir Andrew John Wiles, a Royal Society Research Professor at the University of Oxford, is best known for proving the modularity theorem for semistable elliptic curves, thereby proving Fermat's Last Theorem for which he was awarded the Abel Prize and the Copley Medal by the Royal Society. He also proved the main conjecture of Iwasawa theory.

American mathematician and aerospace engineer Mary Jackson went down in history as the first African-American woman to work as a NASA engineer. Initially a math teacher, she later joined NACA under Dorothy Vaughan and contributed to countless American space programs at a time when racial segregation was the norm.
While he grew up to be a Harvard math professor, that didn’t stop Tom Lehrer from pursuing his childhood love for music. He gained fame as a satirical composer, with songs such as So Long, Mom, I’m Off to Drop the Bomb and That Was The Year That Was.
James Watson is a geneticist, molecular biologist, and zoologist. He is credited with co-authoring the academic paper that propounded the double helix structure of nucleic acids such as DNA for which he was awarded the Nobel Prize in 1962. In 1977, he was honored with the Presidential Medal of Freedom. In 1997, he was awarded the National Medal of Science.
Chemist Robert Bunsen paved the path for spectrum analysis with his discovery that every element emits a light of a particular wavelength. He also co-developed and lent his name to the Bunsen burner. He almost died of arsenic poisoning and lost sight in his right eye in a laboratory explosion.
Norman Borlaug was an American agronomist who played a key role in the Green Revolution, a set of research technology transfer initiatives that increased agricultural production, for which he won the Nobel Peace Prize in 1970. Nicknamed the Father of the Green Revolution, Borlaug was also honored with the Congressional Gold Medal and Presidential Medal of Freedom for his work.

Jeremy Wade is a British TV presenter, biologist, and freshwater detective. He is best known for his TV series River Monsters, Mighty Rivers, and Dark Waters. He attended the University of Kent and began his career as a biology teacher. He made his TV debut by chance and didn’t take long to become a popular TV presenter.
British surgeon Joseph Lister was a pioneer of antiseptic medicine usage and made a huge contribution to the development of preventive medicine for bacterial infection. His achievements have been honored by many, such as the makers of Listerine antiseptic and mouthwash, who named their product after him.
Robert Burns Woodward was an American organic chemist best remembered for winning the 1965 Nobel Prize in Chemistry. Regarded as the most preeminent synthetic organic chemist of the 20th century, Woodward is also remembered for his contributions to organic synthesis. Robert Burns Woodward was also the recipient of the Copley Medal, National Medal of Science, and William H. Nichols Medal.
Percy Lavon Julian was an American chemist whose work paved the way for the production of birth control pills and corticosteroids. Julian went on to start his own company which helped reduce the price of steroid intermediates. In 1973, Percy Lavon Julian was inducted into the National Academy of Sciences and became the first African-American to receive this honor.
Edmund Husserl was a German philosopher of Moravian origin. He established the school of phenomenology. He studied mathematics, physics, and astronomy at the University of Leipzig and worked as an assistant to mathematician Karl Weierstrass. He later became a professor of philosophy and taught for several years. He is considered a major figure in 20th-century philosophy.


Renowned meteorologist and aeronaut James Glaisher was a pioneer of balloon flights and had penned the iconic book Travels in the Air. He had also contributed to the formation of the Meteorological Society and the Aeronautical Society of Britain. The 2019 movie The Aeronauts depicts his exploits as a balloonist.
French mathematician Sophie Germain had used the pseudonym M. Le Blanc to get hold of notes from the École Polytechnique, as being a woman, she was not allowed to attend the institute. She later contributed to the number theory and also pioneered the elasticity theory. She died of breast cancer.

Nell Newman is a biologist, environmentalist, and former child actress. An ardent supporter of sustainable agriculture, Newman is credited with founding a pet food and organic food production company called Newman's Own. For her environmental leadership, Newman was honored with the Rachel Carson Award in 2014. In 2017, she was made an inductee of the Specialty Food Hall of Fame.

Pakistani engineer Abdul Qadeer Khan was a major figure in the development of his country’s nuclear plans. His research also focused on uranium enrichment. He was later apparently involved in transfer of nuclear technology to Iran, among other countries, but was pardoned by then-president Pervez Musharraf.
Born to a math and physics professor in Australia, Sir William Lawrence Bragg later moved to England, where his father was posted for work. He and his father jointly won the Nobel Prize for Physics for their research on X-ray diffraction through crystals. Bragg was an avid shell collector, too.
Nobel Prize-winning experimental physicist Robert Andrews Millikan had begun his career as a faculty member at the University of Chicago and penned countless physics books. He later devoted himself to his research on elementary electronic charge and the photoelectric effect. His famous oil-drop experiment is known to all physics enthusiasts.

Peter Debye was a Dutch-American physical chemist and physicist. He is best remembered for winning the 1936 Nobel Prize in Chemistry. He was also the recipient of the Rumford Medal, Franklin Medal, and Priestley Medal. In 1965, Peter Debye was honored with the National Medal of Science. In 1982, he was inducted into the Alpha Chi Sigma Hall of Fame.
Larry Page is an American Internet entrepreneur and computer scientist. As one of the co-founders of the multinational technology company Google, Larry Page effectively changed the way the world functions today as Google is a synonym for a search engine in many parts of the world. Unsurprisingly, he became a billionaire after co-founding Google.

Andy Hertzfeld is an innovator and software engineer. During the 1980s, Hertzfeld was one of the members of the Apple Macintosh development team. He is also credited with co-founding companies like Radius, General Magic, and Eazel. From 2005 to 2013, he contributed to the development of Google+. Elden Henson and Michael Stuhlbarg portrayed him in Jobs and Steve Jobs respectively.

John Wesley Powell was a geologist and explorer of the American West. He undertook a series of adventures as a young man and later joined the military. He is best known for the three-month-long geographic expedition he undertook down the Green and Colorado rivers. He was made the director of the U.S. Geological Survey in 1881.
Fred Hollows became a renowned name in the field of ophthalmology after helping thousands of people see by restoring their sight. Born in New Zealand, Hollows later became an Australian citizen. He had initially aspired to join the clergy but had decided against it after visiting a mental institution.

Ulugh Beg was the ruler of the Timurid Empire from 1447 to 1449. He is also remembered for his achievements as a mathematician and astronomer and is credited with building the legendary Ulugh Beg Observatory in Samarkand which was the largest in Central Asia. It was also regarded by scholars as one of the best observatories in the Islamic world.
German-born American aerospace engineer and space architect, Wernher Von Braun, worked in Nazi Germany's rocket development program as a young man. After World War II, he moved to the United States where he became a pioneer of rocket and space technology in the nation. In his later career, he became director of the newly formed Marshall Space Flight Center.
Johannes Stark was a German physicist who discovered the phenomenon that came to be known as the Stark effect. For this work, he was awarded the Nobel Prize in Physics in 1919. A supporter of Adolf Hitler, he was a main figure in the anti-Semitic Deutsche Physik movement. He was found guilty by a denazification court in 1947.




Hungarian-American psychiatrist Thomas Szasz, who spent most of life teaching at the State University of New York Health Science Center, was known for his controversial claim that mental illnesses aren’t illnesses at all. Part of the anti-psychiatry movement, he penned books such as The Myth of Mental Illness.

American physician-geneticist Francis Collins is known for his discovery of the genes related with several diseases and for leading the Human Genome Project while serving as director of NHGRI. Recipient of Presidential Medal of Freedom and the National Medal of Science, Collins wrote the New York Times bestseller The Language of God and presently serves as director of the NIH.

Celebrated American zoologist Jim Fowler is best remembered for co-hosting Mutual of Omaha's Wild Kingdom with Marlin Perkins. He also appeared multiple times on The Tonight Show and Late Night. A talented baseball player in college, he rejected pro baseball offers to follow a career as a naturalist.

American astronomer, inventor, mathematician, clockmaker and surveyor David Rittenhouse, who served as first director of the United States Mint and remained a member of the American Philosophical Society, made several significant breakthroughs for the US. His achievements include discovering the atmosphere of Venus and observing its transit, becoming the first American to sight Uranus, and completing an advanced orrery.
Nobel Prize-winning biochemist John Kendrew revolutionized science with his 3-D model of the muscle protein myoglobin. The Cambridge alumnus later co-founded the European Molecular Biology Organization and had been the editor-in-chief of the Journal of Molecular Biology. He had also worked on operational research for the Royal Air Force.

Japanese computer scientist Yukihiro Matsumoto, better known as Matz, soared to fame for designing the Ruby programming language. He works for the open-source company Netlab.jp and has created many open-source products, such as cmail. He has also worked as a missionary for the LDS Church.