About one of the pioneers of the Russian hydropower industry, a hydroengineer, the author of daring, fantastic projects, a participant in drawing up the GOELRO plan, academician Henry Osipovich Graftio (1869-1949).
2019
2025
1932
1961
2016
2021
1999
1997
1975
2023
1977
2022
1916
1945
1984
