Janusz Onyszkiewicz

Janusz Adam Onyszkiewicz (, born 18 December 1937) is a Polish mathematician, alpinist and politician, who served as Minister of Defence twice, in the cabinets of Hanna Suchocka (1992–1993) and Jerzy Buzek (1997–2000).

Later in his career, Onyszkiewicz was a Member of the European Parliament. Provided by Wikipedia