
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.

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.
Grigoriy RoshalDirector
Mikhail DollerDirector
Bernhard GoetzkeProfessor Zange
Elza TemaryBerta, professor's assistant
Nikolai KhmelyovPrince Karlstein
Sergei KomarovBsheshinski, Jesuit
Vladimir FogelBaron, reactionary
Mikhail DollerRussian student Filonov, professor's assistant
Aleksandr ChistyakovPryer, typographer