Pavel Alexandrovich Molchanov (Russian: Павел Александрович Молчанов) (February 18 [O.S. February 6] 1893 in Volosovo, Russian Empire – October 1941 in Leningrad, Russian SFSR) was a Soviet Russian ...
[Read more]
meteorologist and the inventor of the first Russian radiosonde in 1930, while the French Pierre Idrac (1885-1935) and Robert Bureau (1892-1965) were the first to develop the radiosonde in 1929.