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
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