High Quality Content by WIKIPEDIA articles! Wilm Hosenfeld (full name: Wilhelm Hosenfeld; 2 May 1895 in Mackenzell, Hessen-Nassau, Germany 13 August 1952 near Stalingrad), originally a teacher, was a German Army officer who rose to the rank of captain by the end of the war. He helped to hide or rescue several Poles, including Jews, in Nazi-occupied Poland, and is perhaps most remembered for helping Polish-Jewish pianist and composer W adys aw Szpilman survive hidden in the ruins of Warsaw during the last months of 1944.