Nov 23, 1473
Nicholas CopernicusNicholas Copernicus (1473 -1543) was a Polish astronomer, well known for his Copernican theory
Dec 14, 1546
Tycho BraheTycho 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 KeplerEstablished the most exact astronomical tables then known; established the three laws of planetary motion.
Sir Isaac NewtonSir Isaac Newton
Developed theories of gravitation and mechanics, and invented differential calculus.
Albert EinsteinAlbert Einstein was born at Ulm, in Württemberg, Germany, on March 14, 1879.
Edwin HubbleEdwin 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 PtolemyClaudius Ptolemy ; c. AD 90 – c. AD 168), was a Roman citizen of Egypt who wrote in Greek. He was a mathematician, astronomer, geographer, astrologer