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 Grenon Nicolas Grenon Nicolas Grenon (c. 1375 – October 17, 1456) was a French composer of the early Renaissance. He wrote in all the prevailing musical forms of the time, and was a rare case of a long-lived composer who learned his craft in the late 14th century but primarily practiced during the era during which the Renaissance styles were forming. The earliest records of Grenon are from Paris, where he worked first in the Notre Dame Cathedral, and on the death of his brother moved to a job at the St Sépulchre as a canon. He rose in the ecclesiastical