Stefan Drzewiecki
Polish engineer and inventor / From Wikipedia, the free encyclopedia
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Stefan Drzewiecki (Polish: [ˈstɛfan d͡ʐɛˈvjɛt͡skʲi]; Russian: Джеве́цкий Степа́н Ка́рлович (Казими́рович); 26 July 1844, Kunka, Podolia, Russian Empire (today Ukraine) – 23 April 1938, Paris) was a Polish scientist, journalist, engineer, constructor and inventor, known for designing and constructing the world's first electric-powered submarine. He worked mainly in France and the Russian Empire.[1][2][3]
Quick Facts Born, Died ...
Stefan Drzewiecki | |
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Born | July 26, 1844 Kunka, Russian Empire |
Died | April 23, 1938 (1938-04-24) (aged 93) Paris, France |
Nationality | Polish |
Education | École Centrale Paris |
Occupation(s) | Engineer, constructor and inventor |
Known for | Submarine design Blade element theory Drzewiecki drop collar |
Awards | Order of St. George |
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He built the first submarine in the world with electric battery-powered propulsion in 1884. He also independently developed the blade element theory (BET), a mathematical process used to determine the behavior of propellers.