All seasons:
1
director:
Semyon Raytburt
region:
SU
language:
Russian
season number: 1
number of episodes: 5
release date: 1991-01-01
IMDb: tt9170334
part of TV Series: Operation «Helium»
Overview
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.