Nicolaus Copernicus -- 19 February 1473 – 24 May 1543 -- was a Renaissance astronomer, and the first person to formulate a comprehensive heliocentric cosmology,
Joseph-Louis Lagrange -- 25 January 1736 – 10 April 1813 mathematician and astronomer, director of mathematics at the Prussian Academy of Sciences in Berlin,
Galileo Galilei 15 February 1564[4] – 8 January 1642),
Johannes Kepler -- December 27, 1571 – November 15, 1630 --mathematician, astronomer and astrologer,
Sunday, November 21, 2010
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