Операция «Гелий»
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.
Género: Documental
Actores: Николай Мамуна, Евгений Бурмистров, Кирилл Вац
Director: Семен Райтбурт
País: Russia
