a high power electric/hydraulic waterbrake for locomotives in the late 1950s. Honours Although he refused to join the Polish United Workers' Party (PZPR) throughout his life, he nevertheless was decorated for outstanding professional and social work in 1955 with the Medal of the 10th Anniversary of People's Poland and in 1967 with the Knight's Cross (Krzyż Kawalerski) of the Order of Polonia Restituta. Family He married Wanda Maria née Szczerba (November 21, 1910 in Brzozów – June 12, 1998 in Kraków) in 1935 in the Church of St. Anne, Kraków. For this marriage he converted from Greek to Roman Catholicism. Together they had three children: Krystyna Elżbieta (October 14, 1936 in Kraków – March 2, 2003 ibid.) who became a doctor of dermatology; Renata Beata (born August 27, 1942 in Kraków) and Leszek Michael (born October 12, 1944 in Chrzanów), who also studied engineering at the technical universities in Kraków and Vienna to later work for Simmering-Graz-Pauker in Vienna and New Delhi, and MAN Ferrostaal in New Delhi, Bangkok and Kuala Lumpur. All married and have children themselves. The cousin of his wife Wanda was the investigation judge against Nazi crimes Professor Jan Sehn, who was on very friendly terms with the Sielecki family. References Literature External links 1903 births 1980 deaths Burials at Rakowicki Cemetery Fablok Knights of the Order of Polonia Restituta Lviv Polytechnic alumni People from Ivano-Frankivsk Klemens Stefan