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
Astronomer Copernicus, or Conversations with God Astronomer Copernicus, or Conversations with God Astronomer Copernicus, or Conversations with God () is an oil painting by the Polish artist Jan Matejko, finished in 1873, depicting Nicolaus Copernicus observing the heavens from a balcony by a tower near the cathedral in Frombork (seen in the back). Currently the painting is in the collection of the Jagiellonian University of Kraków, which purchased it from a private owner with money donated by the Polish public. The painting presently adorns the Aula of the Collegium Novum of the University. As with many other works, Matejko painted his artwork in 1872 as part