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,
Nicolaus Copernicus that the earth orbited the sun. Further mathematical details of Aristarchus' heliocentric system were worked out around 150 BCE by the Hellenistic astronomer Seleucus of Seleucia. Though Aristarchus' original text has been lost, a reference in Archimedes' book "The Sand Reckoner" ("Archimedis Syracusani Arenarius & Dimensio Circuli") describes a work by Aristarchus in which he advanced the heliocentric model. Thomas Heath gives the following English translation of Archimedes' text: Copernicus cited Aristarchus of Samos in an early (unpublished) manuscript of "De Revolutionibus" (which still survives), though he removed the reference from his final published manuscript. Copernicus was probably aware that