Stefan Drzewiecki
…Polish: ; Russian: Джеве́цкий Степа́н Ка́рлович (Казими́рович); Ukrainian: Джеве́цький Степа́н Ка́рлович (Казими́рович); 26 July 1844, Kunka (ru), Podolia, Russian Empire (today Kunka (uk), Ukraine) – 23 April 1938, Paris) was a Polish scientist, journalist, engineer, constructor and inventor, known for…