The film is based on real events and reveals the tragic episodes from the life of the Austrian biologist scientist-materialist Paul Kammerer (1880-1926), hunted by regressive scientists and Catholic reactionaries who committed suicide.

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Main Cast: Bernhard Goetzke, Natalya Rozenel, Sergei Komarov, Vladimir Fogel, Aleksandr Chistyakov, Elza Temary, Mikhail Doller, Anatoli Lunacharsky, Nikolai Khmelyov

Director: Grigoriy Roshal

Writers: Georgiy Grebner, Anatoli Lunacharsky

Editor:

Cinematographers: Louis Forestier, Phil Jutzi

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