Gustav Anton Zeuner was a German physicist, engineer and epistemologist, considered the founder of technical thermodynamics and of the Dresden School of Thermodynamics.
Gustav Zeuner
Zeuner, c. 1886
Freiberg is a university and former mining town in Saxony, Germany. It is a Große Kreisstadt and the administrative centre of Mittelsachsen district.
Freiberg with Peter's Church in December 2007
Panorama from Freiberg looking from southwest to north
The slag heap of "Hohe Esse" with the Feinhütte Halsbrücke in the foreground
Obermarkt (Upper Market) with Town hall