Portrait of Leopold Lichtwitz, MD (1876-1943). In 1919, Dr. Litchwitz became the head of the Department of Internal Medicine at Hamburg’s Altona Municipal Hospital. He eventually became director of the hospital. In 1931, he became director of Berlin’s Rudolf Virchow Hospital. He was removed from his post by the Nazi regime in 1933. After emigrating to the United States, Dr. Lichtwitz became director of the Department of Internal Medicine at Montefiore Hospital.