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
Jerzy Sikorski director Bolesław Wytrążek instructed Sikorski to leave the college, due the decision of the local Polish United Workers' Party (PZPR) in Olsztyn. Through , who was the director at the Museum of Warmia and Masuria located at Olsztyn Castle, Sikorski obtained employment (1954–1955) at the , which was under the patronage of the regional museum in Olsztyn. The work at Frombork’s museum and the person of the great Polish Astronomer Nicolas Copernicus, who spent most of his life in Frombork and Warmia region, made a lasting impression on Sikorski. As a result, Copernicus and "Copernicana" research became the dominant subject