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 around a central element, and dramatic contrasts with dark colours in the periphery. Copernicus's epiphany or ecstasy is captured through the skillful use of lighting. The models for Copernicus are known to have been Doctor Henryk Levittoux and Matejko's nephew, Antoni Serafiński. Matejko's most famous paintings are usually large group scenes; individual scenes like this are more of an exception for him. 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