Nicolaus Copernicus Albert, Alexander Jagiellon, and Sigismund I the Old. He was a friend and key advisor to each ruler, and his influence greatly strengthened the ties between Warmia and Poland proper. Watzenrode came to be considered the most powerful man in Warmia, and his wealth, connections and influence allowed him to secure Copernicus' education and career as a canon at Frombork Cathedral. Copernicus is postulated to have spoken Latin, German, and Polish with equal fluency; he also spoke Greek and Italian, and had some knowledge of Hebrew. The vast majority of Copernicus's extant writings are in Latin, the language of European
Astronomer Copernicus, or Conversations with God which he portrayed in the ironic self-Portrait (he would finish "Astronomer Copernicus..." in a new studio in early 1873). The organizers of the festivities in Kraków were not supportive of Matejko's endeavour, and did not plan to display his painting during the official festivities. The German council of Toruń approached Matejko with an offer to buy it, but he refused, probably motivated by Polish patriotism, preferring instead to organize his own exhibition in Kraków. He was able to organize a display in February, in Kraków's City Council building, the Wielopolski Palace; profits from the display were donated to charity. The