You can see a picture of the house in which Copernicus was born.When young Nicolaus was ten years old his father died.Nicolaus and his brother Andreas remained in Torun, continuing their elementary education there.Remarkably Copernicus's copies of these works, signed by him, are still preserved.You can see a picture of Copernicus's observatory in Frauenburg.Many experts went to Rome to advise the Council, but Copernicus chose to respond by letter.The peace which Copernicus wished, however, was not easy to find in a period of frequent wars.You can see a picture of Allenstein Castle where Copernicus lived.Although Copernicus was a canon, he had never become a priest.In May 1539 Rheticus arrived at Frauenburg where he spent about two years with Copernicus.