Given name: Dawid Family name: Graber

Before the war, he was a student in Borochow's school, located in the house at Nowolipki Street No. 68. In the ghetto, he was one of the people who worked in the kitchen for children, which operated in the same house. Helped Israel Lichtensztajn prepare materials from the Ringelblum's Archive to hide. Among them there were his farewell letter and his will.