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Period: 274 BCE to 194 BCE
Eratosthenes
known for making the first measurements of the size of Earth -
Period: 100 to 165
Ptolemy
Founded the theory of a Geocentric universe -
Period: Feb 19, 1473 to Apr 24, 1543
Copernicus
Came up with the Heliocentric Theory -
Period: Jan 22, 1561 to
Bacon
Helped with developing the scientific method -
Period: Feb 15, 1564 to
Galileo
Enhanced the telescope to further prove that the Earth revolved around the sun -
Period: Dec 14, 1564 to
Brahe
known for his accurate and comprehensive astronomical observations -
Period: Dec 27, 1571 to
Kepler
key figure in the 17th-century scientific revolution, best known for his laws of planetary motion -
Period: to
Descartes
known for his theory " Cartesian skepticism" -
Period: to
Locke
Believed that everyone is born with a blank slate -
Period: to
Newton
Came up with calculus, made the three laws of motion, and discovered the composition of white light -
Period: to
Mendeleev
Came up with the periodic table -
Period: to
Leavett
known for her discovery of the relationship between period and luminosity in Cepheid variables, pulsating stars that vary regularly in brightness in periods ranging from a few days to several months -
Period: to
Curie
Known for discovering elements polonium and radium -
Period: to
wegener
Known for proposing the theory of continental drift -
Period: to
Hubble
Known for discovering that the universe is ever expanding -
Period: to
Hess
Known for proving Wegener's theory -
Period: to
Present Day