Lech Trzeciakowski

Lech Trzeciakowski (24 December 1931 – 7 January 2017) was a Polish historian. He was born in Poznań, Poland. Trzeciakowski served as director of the Western Institute ("Instytut Zachodni") in Poznań from 1974 to 1978.
Trzeciakowski died on January 7 2017 in Poznań of cancer, aged 86.