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
Northern Renaissance of European history. Many scholars see it as a unique time with characteristics all its own. A second group views the Renaissance as the first two to three centuries of a larger era in European history usually called early modern Europe, which began in the late fifteenth century and ended on the eve of the French Revolution (1789) or with the close of the Napoleonic era (1815). Some social historians reject the concept of the Renaissance altogether. Historians also argue over how much the Renaissance differed from the Middle Ages and whether it was the beginning of the modern world,