Nicolaus Copernicus surviving primary documents on the early years of Copernicus's childhood and education. Copernicus biographers assume that Watzenrode first sent young Copernicus to St. John's School, at Toruń, where he himself had been a master. Later, according to Armitage, the boy attended the Cathedral School at Włocławek, up the Vistula River from Toruń, which prepared pupils for entrance to the University of Kraków, Watzenrode's alma mater in Poland's capital. In the winter semester of 1491–92 Copernicus, as "Nicolaus Nicolai de Thuronia", matriculated together with his brother Andrew at the University of Kraków (now Jagiellonian University). Copernicus began his studies in the
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