Nicolaus Copernicus Monument, Toruń Nicolaus Copernicus Monument, Toruń The Nicolaus Copernicus Monument in the home town of astronomer Nicolaus Copernicus (1473–1543) was erected in 1853 by a "monument committee" of the city's residents. King Frederick the Great of Prussia (1712–1786) intended to erect a monument at Copernicus' grave in Frauenburg (Frombork), but the grave could not be located. Astronomer Nicolaus Copernicus (1473–1543) lived in Thorn (Toruń), then in the Kingdom of Poland, for many years. In the late 18th century, Poland was partitioned and the city of Thorn passed to Prussia. From 1807 to 1813, the city was part of the Duchy of Warsaw,
Joseph-Nicolas Delisle Joseph-Nicolas Delisle Joseph-Nicolas Delisle (4 April 1688 – 11 September 1768) was a French astronomer and cartographer. He was born in Paris, one of the 11 sons of Claude Delisle (1644–1720). Like many of his brothers, among them Guillaume Delisle, he initially followed classical studies. Soon however, he moved to astronomy under the supervision of Joseph Lieutaud and Jacques Cassini. In 1714 he entered the French Academy of Sciences as pupil of Giacomo Filippo Maraldi. Though he was a good scientist and member of a wealthy family he did not have much money. In 1712 he set up an observatory