Stefan Bradl (born 1989), German Grand Prix motorcycle racer, 2011 Moto2 World Champion
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Kazimierz Leski (1912 —2000), nom de guerre Bradl, Polish engineer
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Helmut Bradl (born 1961), German former Grand Prix motorcycle road racer
Kazimierz Leski, nom de guerre Bradl (21 June 1912 — 27 May 2000), was a Polish engineer, co-designer of the Polish submarines ORP Sęp and ORP Orzeł, a fighter pilot, and an officer in World War II Home Army's intelligence and counter-intelligence.