Famous People Ancient Epoch (Earlier than 700 AD)
Thales
Pythagoras
Democritus
Plato
Hypatia
Socrates
Aristotle
Archimedes
Eratosthenes
Hipparchus
Ptolemy Middle Ages (700 - 1400 AD)
 Abu Ja'faral-Khwarizmii
Abd al-Rahman al-Sufi
Leonardo Fibonacci Renaissance (1400 - 1650 AD)  Leonardo da Vinci
Nicolas Copernicus
Tycho Brahe
Galileo Galilei
Johannes Kepler
Simon Marius
Age of Enlightenment (1650 - 1850 AD)  Giovanni Cassini
Christian Huygens
Sir Isaac Newton
Edmund Halley
Maria Winkelmann Kirch
Nicole-Reine Lepaute
William Herschel
Caroline Herschel
Christian Doppler
Charles Darwin
Maria Mitchell
James Clerk Maxwell
Giovanni Schiaparelli
Modern Era (1850 - 1950 AD)  Percival Lowell
Williamina Fleming
Max Planck
Henrietta Swan Leavitt
George Hale
Ernest Rutherford
Albert Einstein
Sir Arthur Eddington
Robert Goddard
Niels Bohr
Edwin Hubble
Immanuel Velikovsky
Werner Heisenberg
Present Day (1950 - Present)  Hermann Oberth
Gerard Kuiper
Abe Silverstein
Wernher Von Braun
Evelyn Granville
Carl Sagan
Stephen Hawking
Jocelyn Bell Burnell
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