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194 BCE
Eratosthenes
figured out the circrufance of the earth -
134
Claudius Ptolemy
he thought the earth was at the centar of the universe -
1512
Nicolaus Copernicus
figured out that the sun was in the centar of the universe he chaged the thinking of many people -
1556
Tycho Brahe
he made an observation about the universe that changed the organisation -
1571
Johannes Kepler
he figured out planetary movements witch led to orbits -
Sir Isaac Newton
he created calculus witch led to clear optics -
Albert Einstein
he came up with the theory of wave length it advanced evreybody understaning of astromney and phiscs