On the example of the history of the discovery of the "solar substance" Helium, the history of the most important discoveries in the field of physics and chemistry of the early XX century is given.

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Main Cast: Nikolai Mamuna, Yevgeniy Burmistrov, Kirill Vats, Gennady Nikiforov, Alexis Avanesoff, Gleb Plaksin, Vsevolod Abdulov

Director: Semyon Raytburt

Writer: Semyon Raytburt

Editor:

Cinematographer: Edgard Uetskiy

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