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
Nicolaus Copernicus a natural choice for German-speaking students, regardless of their ethnicity or self-identification. The surname "Kopernik", "Copernik", "Koppernigk" is recorded in Kraków from c. 1350, in various spellings, apparently given to people from the village of Koperniki (prior to 1845 rendered Kopernik, "Copernik, Copirnik" and "Koppirnik") in the Duchy of Nysa. Nicolas Copernicus' great-grandfather is recorded as having received citizenship in Kraków in 1386. The toponym "Kopernik" (modern "Koperniki") has been variously tied to the Polish word for "dill" ("koper") and German for copper ("Kupfer"). The suffix -nik (or plural -niki) denotes a Slavic and Polish agent noun, though. As was