Nicolaus Copernicus Prussia also resisted the Polish crown's efforts for greater control over the region. "Encyclopædia Britannica", "Encyclopedia Americana", "The Concise Columbia Encyclopedia", "The Oxford World Encyclopedia", and "World Book Encyclopedia" refer to Copernicus as a "Polish astronomer". Sheila Rabin, writing in the "Stanford Encyclopedia of Philosophy", describes Copernicus as a "child of a German family [who] was a subject of the Polish crown", while Manfred Weissenbacher writes that Copernicus's father was a Germanized Pole. There are additional arguments for Kopernik's Polish descent on his father's side. Kopernik's Y-DNA haplogroup, R1b L51, is found in southern Poland (in Silesia, where his father
Nicolas Grenon Nicolas Grenon Nicolas Grenon (c. 1375 – October 17, 1456) was a French composer of the early Renaissance. He wrote in all the prevailing musical forms of the time, and was a rare case of a long-lived composer who learned his craft in the late 14th century but primarily practiced during the era during which the Renaissance styles were forming. The earliest records of Grenon are from Paris, where he worked first in the Notre Dame Cathedral, and on the death of his brother moved to a job at the St Sépulchre as a canon. He rose in the ecclesiastical