Jan Śniadecki was a Polish mathematician, philosopher, and astronomer at the turn of the 18th and 19th centuries. Wikipedia
Born: August 29, 1756, Żnin, Poland
Died: November 21, 1830 (age 74 years), Jašiūnai, Lithuania
Influenced by: Nicolaus Copernicus, Hugo Kołłątaj, John Locke, and more
Siblings: Jędrzej Śniadecki
Nephew: Józef Konstanty Śniadecki
Nieces: Ludwika Sniadecka and Zofia Sniadecka