Hermann Erich Bauer (March 26, 1900 — February 4, 1980), sometimes referred to as "Gasmeister", was a SS-Oberscharführer (Staff Sergeant). He participated in Nazi Germany's Action T4 program and later in Operation Reinhard, serving as a gas chamber operator at Sobibor extermination camp. Erich Bauer was one of the persons who directly perpetrated the Holocaust.
This poster (posted circa 1938) reads: "60,000 Reichsmarks is what this person suffering from a hereditary disease costs the People's community during his lifetime. Comrade, that is your money too." Read '[A] New People', the monthly magazine of the Bureau for Race Politics of the NSDAP."
Franz Wolf (9 Aapril 1907 Krummau) After serving in the Czech and German armies, Wolf became the photographer in the euthanasia centres Hadamar and Heidelberg where he ‘scientifically’ recorded the mentally ill. Together with his brother Josef he served in Sobibor from early March 1943 until the uprising. He generally supervised the sorting barracks, but he also occasionally led the Waldkommando or he could be found in the barracks where the women’s hair was cut off.
Action T4 - This poster (from around 1938) reads: "60,000 Reichsmark is what this person suffering from a hereditary defect costs the People's community during his lifetime. Fellow citizen, that is your money too. Read '[A] New People', the monthly magazine of the Bureau for Race Politics of the NSDAP."