

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 scientists laugh at him, and his life is full of misunderstandings and persecution. The film tells of his fate and his long and futile struggle for recognition of the results of his scientific work.
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Cast

Emil Stöhr
Robert Mayer

Gisela Uhlen
Wilhelmine Mayer

Hilmar Thate
Dr. Bohn
Otto Stübler
Closs

Martin Flörchinger
Fritz Mayer

Walther Suessenguth
Privy Councilor Justus Liebig

Herwart Grosse
Court Councilor Ernst von Zeller

Harald Halgardt
Dr. Landerer
Gerd Michael Henneberg
Prof. Gustav Rümelin
Werner Segtrop
Von Rauch
Wolf Goette
Prof. Nörrenberg

Kurt Mühlhardt
King Wilhelm of Württemberg
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