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.
Emil Stöhr
as Robert Mayer
Gisela Uhlen
as Wilhelmine Mayer
Hilmar Thate
as Dr. Bohn
Otto Stübler
as Closs
Martin Flörchinger
as Fritz Mayer
Walther Suessenguth
as Privy Councilor Justus Liebig
Herwart Grosse
as Court Councilor Ernst von Zeller
Harald Halgardt
as Dr. Landerer
Gerd Michael Henneberg
as Prof. Gustav Rümelin
Werner Segtrop
as Von Rauch
Wolf Goette
as Prof. Nörrenberg
Kurt Mühlhardt
as King Wilhelm of Württemberg
