Renaissance in Poland late 18th century. The period of Polish Renaissance, supportive of intellectual pursuits, produced many outstanding artists and scientists. Among them were Nicolaus Copernicus who in his "De revolutionibus orbium coelestium" presented the heliocentric theory of the universe, Maciej of Miechów, author of "Tractatus de duabus Sarmatis..." – the most accurate up to date geographical and ethnographical account of Eastern Europe; Bernard Wapowski, a cartographer whose maps of that region appeared in Ptolemy's "Geography"; Marcin Kromer who in his "De origine et rebus gestis Polonorum libri..." described both the history and geography of Poland; Andrzej Frycz Modrzewski, a philosopher concerned with
Nicolas Perrot Nicolas Perrot Nicolas Perrot (c.1644–1717), a French explorer, fur trader, and diplomat, was one of the first European men to travel in the Upper Mississippi Valley, in what is now Wisconsin and Minnesota. Nicolas Perrot was born in France between 1641 and 1644, perhaps at Darcey in Burgundy, where his father was lieutenant of justice. Perrot traveled to New France around 1660 with the Jesuit missionaries. He journeyed with several to the Western Great Lakes, where they intended to preach to the Native Americans, reaching present-day Wisconsin in 1665. He earned the friendship of the natives by swapping furs for