Jan Koss
1896–1949 (age 53)
Biography
Jan Koss was a Polish engineer born in 1896 who applied his technical expertise during a period of significant national development and upheaval. He lived through Poland's restoration of independence, the interwar years of nation-building, and the devastation of World War II, contributing his professional skills during these transformative decades.
Koss lived until 1949, surviving World War II to witness the beginning of Poland's postwar reconstruction and the establishment of the communist state. He was honored with burial at Powązki Military Cemetery in Warsaw, a testament to his life and service during Poland's most challenging century.