Career
Marciniak was a graduate of Saint John Cantius High School in Poznań. He was arrested by the Gestapo on 6 May 1943 and murdered in February 1944 at the Gross-Rosen concentration camp.
Marciniak was a graduate of Saint John Cantius High School in Poznań. He was arrested by the Gestapo on 6 May 1943 and murdered in February 1944 at the Gross-Rosen concentration camp.
