. "2020" . . . . . . . . . . "Arthur C. Logan Professor of Community Medicine" . . . . . . . . "1925" . . "H. Jack Geiger" . . "Jack Geiger" . . . . "Herman J. Geiger" . . . . . . . "2020-12-28" . . . . . . . . . . . . . . . . . . . . "1925-11-11" . . . . . . . . . . . . . "H. Jack Geiger" .