Given name: Ludwik Family name: Hirszfeld

A professor. A Polish scientist and a university professor. Had Jewish roots, which was the reason of his stay in the ghetto. Lived in the Catholic church in Grzybowska Street. Stayed in the ghetto because of Adam Czerniakow's proposal, who was the head of a committee for fighting epidemics; was the one who set up secret medical courses in the ghetto, where he gave lectures on bacteriology. Before the war he was a world-wide famous bacteriologist and epidemiologist. During the First Action he went to the "Aryan" side. Survived the war.