Over the course of history, the Polish people have made considerable contributions in the fields of science, technology and mathematics. Perhaps the most renowned Pole to support this theory was Nicolaus Copernicus (''Mikołaj Kopernik''), who triggered the Copernican Revolution by placing the Sun rather than the Earth at the center of the universe. He also derived a quantity theory of money, which made him a pioneer of economics. Copernicus' achievements and discoveries are considered the basis of Polish culture and cultural identity.