Lea Preiss is a Ph.D. candidate at the Institute of Contemporary Jewry of the Hebrew University of Jerusalem. Her dissertation deals with Jewish refugees in the city of Warsaw and in the Warsaw Ghetto from September 1939 to July 1942. Her M.A. thesis focused on medical and health-care problems in the Lithuanian ghettos of Vilna, Kovno and Shavli (1941–1944). Formerly a member of the historical staff of the new Holocaust Museum at Yad Vashem, she is now working as a researcher for the Ghetto Lexikon Project.