I believe to have been Johann Kraft Bernstein, born 26.09.1911 in Berlin, died 04.03.1943 in Auschwitz. He is in the Death Books of Auschwitz, but not on any deportation records, indicating he may have been imprisoned on (pseudo) criminal charges prior to deportation. His only listing in the Berlin Address Books is 1938, where he is listed under his middle name Kraft as a businessman (Kaufmann) in…