Hosting Rheticus at Frauenburg
· Frombork Cathedral complex, Frombork, Poland

Wikimedia Commons · GNU Free Documentation License, Version 1.2 or later; Creative Commons Attribution-Share Alike 3.0 Unported; Creative Commons Attribution-Share Alike 2.5 Generic · file Georg Joachim Rheticus arrived in Frauenburg to study with Copernicus and remained for two years, helping bring Copernicus's work toward publication. Rheticus's stay with Copernicus directly supports Copernicus's presence at Frauenburg in 1539.