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Nov 23, 1473
Nicholas Copernicus
Nicholas Copernicus (1473 -1543) was a Polish astronomer, well known for his Copernican theory -
Dec 14, 1546
Tycho Brahe
Tycho Brahe (14 December 1546 – 24 October 1601), was a Danish nobleman known for his accurate and comprehensive astronomical and planetary observations. -
Nov 23, 1564
Galilei Galileo
(1564-1642) an Italian physicist and astronomer -
Nov 23, 1571
Johannes Kepler
Established the most exact astronomical tables then known; established the three laws of planetary motion.
1571-1630 -
Sir Isaac Newton
Sir Isaac Newton
1643-1727
Developed theories of gravitation and mechanics, and invented differential calculus. -
Albert Einstein
Albert Einstein was born at Ulm, in Württemberg, Germany, on March 14, 1879. -
Edwin Hubble
Edwin Powell Hubble (November 20, 1889 – September 28, 1953) was an American astronomer who profoundly changed the understanding of the universe by confirming the existence of galaxies other than the Milky Way -
Claudius Ptolemy
Claudius Ptolemy ; c. AD 90 – c. AD 168), was a Roman citizen of Egypt who wrote in Greek. He was a mathematician, astronomer, geographer, astrologer