SS-Obersturmführer (First Lieutenant) Irmfried Eberl (8 September 1910 — 16 February 1948) was an Austrian Nazi war criminal who helped to establish, and was the first commandant of, the Treblinka extermination camp, where he worked from 01942-07-11July 11, 1942 until his dismissal on 01942-08-26August 26, 1942. As a psychiatrist, Eberl was the only physician to command an extermination camp. In January 1948, he was arrested. Before his trial could begin, he hanged himself.
Read more about Irmfried Eberl: Early Life, Murderer of Disabled Persons, Treblinka Death Camp, Later Career, Apprehension, and Suicide, Subject of Later Documentary Film