Sigizmund Levanevsky
Sigizmund Aleksandrovich Levanevsky (Russian: Сигизмунд Александрович Леваневский; Polish: Zygmunt Lewoniewski) (May 15, 1902 - August 13, 1937) was a Soviet aircraft pilot of Polish origin and a Hero of the Soviet Union (1934).
Read more about Sigizmund Levanevsky: Life and Career, North Pole Flights