Nicolaus Copernicus of his life. At the instance of Roger Boscovich, the Catholic Church's 1758 "Index of Prohibited Books" omitted the general prohibition of works defending heliocentrism, but retained the specific prohibitions of the original uncensored versions of "De revolutionibus" and Galileo's "Dialogue Concerning the Two Chief World Systems". Those prohibitions were finally dropped from the 1835 "Index". There has been discussion of Copernicus' nationality and of whether it is meaningful to ascribe to him a nationality in the modern sense. Nicolaus Copernicus was born and raised in Royal Prussia, a semiautonomous and polyglot region of the Kingdom of Poland. He was
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