Alexander Popov, professor at the field engineers'school in Kronshtadt, together with his friend and assistant
Rybkin is working on the theory of electromagnetic
waves. His persistent work is crowned with success — he
develops the wireless telegraph. Radio helps to save
people drifting on an ice float in the open sea.
Alexander Popov and his invention find support of
Dmitri Mendeleyev, Admiral Stepan Makarov and world
famous scientists.
Source : www.lenfilm.ru