RAPPAPORT, HENRY (1913–2003), U.S. pathologist. Born in Austria, where he obtained his doctorate in medicine, Rappaport trained in both Europe and the U.S. In the late 1940s he was assistant professor of pathology at George Washington University School of Medicine and pathologist and chief of laboratories at Mount Alto Veterans Administration Hospital, Washington, d.c. He headed the reticulo-endothelial pathology and hematology section of the Armed Forces Institute of Pathology, Washington, d.c., from 1949 to 1954. Rappaport moved to the University of Chicago, where he became professor of pathology and director of surgical pathology. He was a member of the who committee for nomenclature and histopathologic classification of leukemias and lymphomas. He wrote Tumors of the Hematopoietic System (1966).