Christoph Hartknoch - Nicolaus Copernicus Portrait

Nicolaus Copernicus Portrait

In his book covering the history of Prussia, Hartknoch features an illustration of Nicolaus Copernicus. Hartknoch wrote: Von den Städten und Schlössern. Der berühmte Mathematicus Nicolaus Copernicus (About the cities and castles. The famous mathematician Nicolaus Copernicus). The book was written later in Hartknoch's life, when he was director at the Gymnasium of Thorn.