Chemistry
Physics
Astronomy
Earth Science
Computer Science
Mathematics
General Science
Biology
| Alcmaeon of Croton | Anaximander of Miletus | Thomas Bartholin | William Maddock Bayliss | William Beaumont |
| (c 520 BC) | (5th Century BC) | (1616 - 1680) | (1860 - 1924) | (1796 - 1853) |
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| Ancient Greek physician and philosopher, generally considered to be the first anatomist. | Ancient Greek natural philosopher, among whose reputed contributions to science are an accurate sundial, the earliest map of the Earth, and a primitive theory of evolution. | Danish physician (doctor) and mathematician. The first person to produce a detailed description of the human lymphatic system. | English physiologist who, with his collegue Ernest Starling, first used the word "hormone", after discovering secretin in 1902. | American army surgeon who was the first person to observe and study human digestion, after working on a patient with a shotgun wound. |
| Charles Bell | Claude Bernard | Herbert Wayne Boyer | Celsus | Stanley Norman Cohen |
| (1774 - 1842) | (1813 - 1878) | (1936 - n/a) | (1st Century A.D.) | (1935 - n/a) |
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| Scottish anatomist and surgeon who discovered the distinction between sensory and motor neurons (nerves). | French physiologist who established the concept of homeostasis, whereby the internal chemical environment of the human body resists dramatic fluctuations of temperature or composition. | American biochemist. In 1973, with Stanley Cohen, successfully spileced two sections of DNA from a bacterium heralding the beginning of genetic engineering. | Roman scholar and writer who wrote extensively on medical topics. His ideas were rejected by Paracelsus, whose self-apointed name means "against Celsus." | American biochemist who with Herbert Boyer, pioneered genetic engineering in the 1970's. |
| Francis Harry Compton Crick | Georges Cuvier | Charles Robert Darwin | Paul Ehrlich | Willem Einthoven |
| 1916 - n/a | (1769 - 1832) | (1809 - 1882) | (1854 - 1915) | (1860 - 1927) |
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| Description | Description | Description | Description | Description |
| Bartolommeo Eustachio | Hieronymus Fabricius / Girolamo Fabrici | Alexander Fleming | Galen | Luigi Galvani |
| Life | Life | Life | Life | Life |
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| Description | Description | Description | Description | Description |
| Francis Glissom | Camillo Golgi | Nehemiah Grew | Ernst Heinrich Philipp August Haeckel | William Harvey |
| Life | Life | Life | Life | Life |
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| Description | Description | Description | Description | Description |
| Friedrich Gustav Jakob Henle | Hippocrates | Robert Hooke | John Hunter | Jan Ingen-Housz |
| Life | Life | Life | Life | Life |
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| Description | Description | Description | Description | Description |
| Charles Jackson | Edward Jenner | Robert Koch | Hans Adolf Krebs | Jean-Baptiste Lamarck |
| Life | Life | Life | Life | Life |
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| Description | Description | Description | Description | Description |
| Paul Langerhans | Karl Landsteiner | Carolus Linnaeus / Carl Von Linné | Joseph Lister | Richard Lower |
| Life | Life | Life | Life | Life |
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| Description | Description | Description | Description | Description |
| Marcello Malpighi | Gregor Johann Mendel | Mondino de Luzzi | Paracelsus | Ambroise Paré |
| Life | Life | Life | Life | Life |
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| Description | Description | Description | Description | Description |
| Jonas Salk | Ernest Henry Starling | Theophrastus | Andreas Vesalius | James Dewey Watson |
| Life | Life | Life | Life | Life |
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| Description | Description | Description | Description | Description |
Chemistry
| Svante Arrhenius | Robert Boyle | Robert William Bunsen | Henry Cavendish | John Douglas Cockcroft |
| Life | Life | Life | Life | Life |
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| Description | Description | Description | Description | Description |
| William Crookes | John Dalton | Humphrey Davy | Democritus | William Thomson Kelvin |
| Life | Life | Life | Life | Life |
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| Description | Description | Description | Description | Description |
| Gustav Robert Kirchhoff | Antoine Lavoisier | Dmitry Mendeleyev | Paracelsus / Theophrastus Von Hohenheim | Blaise Pascal |
| Life | Life | Life | Life | Life |
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| Description | Description | Description | Description | Description |
| Linus Carl Pauling | Joseph Priestly | Ernest Rutherford | Carl Wilhelm Scheele | Emilio Gino Segré |
| Life | Life | Life | Life | Life |
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| Description | Description | Description | Description | Description |
| Sören Peter Sörensen | Friedrich Wöhler | |||
| Life | Life | |||
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| Description | Description |
Physics
| William Crookes | Albert Einstein | Charles Fabry | Michael Faraday | Enrico Fermi |
| Life | Life | Life | Life | Life |
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| Description | Description | Description | Description | Description |
| John Ambrose Fleming | Galileo Galilei | Murray Gell-Mann | William Gilbert | Otto Hahn |
| Life | Life | Life | Life | Life |
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| Description | Description | Description | Description | Description |
| Joseph Henry | Heinrich Rudolf Hertz | Robert Hooke | James Prescott Joule | William Thomson Kelvin |
| Life | Life | Life | Life | Life |
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| Description | Description | Description | Description | Description |
| James Clerk Maxwell | Isaac Newton | Hans Christian Oersted | Georg Ohm | Blaise Pascal |
| Life | Life | Life | Life | Life |
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| Description | Description | Description | Description | Description |
| Linus Carl Pauling | Max Karl Ernst Planck | Wilhekm Konrad Von Röntgen | Emilio Gino Segré | Ernest Thomas Sinton Walton |
| Life | Life | Life | Life | Life |
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| Fritz Strassman | Joseph John Thomson | Alessandro Volta | ||
| Life | Life | Life | ||
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Astronomy
| Heinrich Louis D'Arrest | Jocelyn Bell Burnell | Friedrich Wilhelm Bessel | Tycho Brahe | Nicolaus Copernicus |
| Life | Life | Life | Life | Life |
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| Description | Description | Description | Description | Description |
| Eratosthanes | Galileo Galilei | Johann Gottfried Galle | Edmund Halley | William Herschel |
| Life | Life | Life | Life | Life |
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| Description | Description | Description | Description | Description |
| Hipparchus | Edwin Powell Hubble | Karl Jansky | Johannes Kepler | Georges Lemaître |
| Life | Life | Life | Life | Life |
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| Description | Description | Description | Description | Description |
| Hans Lippershey | Arno Allan Penzias | Ptolemy / Claudius Ptolemaeus | Vesto Melvin Slipher | Clyde William Tombaugh |
| Life | Life | Life | Life | Life |
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| Description | Description | Description | Description | Description |
| Robert Woodrow Wilson | ||||
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Earth Science
| Jean Louis Agassiz | Georgius Agricola / Georg Bauer | Vilhelm Bjerknes | Henry Cavendish | Eratosthanes |
| (1807-1873) | (1494-1555) | |||
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| Swiss geologist and zoologist who studied the effects of ice erosion and proved that glaciers move. | German geologist and mining engineer who was the first person to study rocks and minerals in a scientific way. | |||
| Charles Fabry | Beno Gutenberg | George Hadley | Oliver Heaviside | Harry Hammond Hess |
| Life | Life | Life | Life | Life |
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| James Hutton | John Milne | Friedrich Mohs | Richard Dixon Oldham | Charles Francis Richter |
| Life | Life | Life | Life | Life |
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| Description | Description | Description | Description | Description |
| Horace Benédict de Saussure | William Smith | Niels Stensen / Nicolaus Steno | Evangelista Torricelli | Alfred Wegener |
| Life | Life | Life | Life | Life |
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| Description | Description | Description | Description | Description |
| John Tuzo Wilson | ||||
| Life | ||||
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| Description |
Computer Science
| John Vincent Atanasoff | Charles Babbage | George Boole | John Von Neumann | |
| Life | Life | Life | Life | |
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Mathematics
| Apollonius of Perga | Archimedes | George Boole | Georg Ferdinand Ludwig Philip Cantor | Rene Descartes |
| (3rd Centruy BC) | (c. 287-212 BC) | |||
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| Ancient Greek mathematician noted for his work on an imporant set of curves called conic sections. He also used mathematics in attempts to account for the motions of the known planets. | Greek mathematician and engineer. He derived mathematical formulas for various geometrical shapes and discovered the principle of upthrust on an object floating in water. He also studied simple machines, in particular the screw thread. | |||
| Euclid | Kurt Gödel | Gottfried Wilhelm Leibniz | Benoit Mandelbrot | James Clerk Maxwell |
| Life | Life | Life | Life | Life |
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| John Napier | Blaise Pascal | Jules Henri Poincaré | Pythagoras | Claude Elwood Shannon |
| Life | Life | Life | Life | Life |
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General Science
| Aristotle | Celsus | John Dalton | Thomas Alva Edison | Empedocles |
| (384-322 BC) | ||||
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| Influential Greek philosopher and naturalist. Wrote extensively on force and motion, plant and animal classification, and many other subjects. His ideas were believed to be fact by most religious thinkers, at least until the 17th century. | ||||
| Muhammed Ibn Musa Al-Khwarizmi | Lee de Forest | Antony Van Leeuvenhoek | Hans Lippershey | Shushruta |
| Life | Life | Life | Life | Life |
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| Description | Description | Description | Description | Description |
| Evangelista Torricelli | ||||
| Life | ||||
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