Robert Mayer, der Arzt aus Heilbronn
Biographical movie about Julius Robert Mayer (1814-1878), a surgeon and town doctor in Heilbronn, who studied heat for many years and was the first to correctly formulate the basic principles of the theory of mechanical heat and the principle of conservation of energy. Competing Prussian s
Emil Stöhr
Gisela Uhlen
Hilmar Thate
Martin Flörchinger
Walther Suessenguth
Herwart Grosse
Harald Halgardt