Cavity magnetron in Russia

The first domestic researches of the cavity magnetron in Russia were in the thirties of the XX century. In the paper it is told about destinies of the first researchers (including D. Malyarov and N. Alekseev). The Second World War not only has changed the approach to cavity magnetron development and to their practical application, but also has caused a set of transformations to the industries. There were new state decisions, enterprises, names. The further evolution of magnetron development occurred within a restriction of access to the information which has become partially excellent only in recent years. In the paper a short characteristic of history and development of the magnetron tendencies on the basis of the domestic industry is presented.