Kazimierz Popiel (24 December 1894 – 8 January 1957) was a Polish mining engineer and drillman operating in the oil industry, captain of the military reserve force of the Polish Army, participant of the World War I and the 1939 defensive war, prisoner of the Nazi camps.
In the first half of the 1920s, he was stationed in Przemyśl, where he was an adjutant of general Franciszek Latinik, commander of the District No.
His wife moved in 1940 with children to her parents' house in Kraków to avoid deportation to the Soviet Union.
[2] In 1947, Kazimierz Popiel arrived in Kraków, passing through Szczecin, and he met with his family.
In the following years, he was the chief mechanic of the Warsaw Geological Coal Mining Enterprise (Warszawskie Przedsiębiorstwo Geologiczne Górnictwa Węglowego).