University of California, Berkeley professor of citriculture and superintendent of the Citrus Experiment Station. Founder of Coit Agricultural Service.
Dean of the UCLA School of Medicine and UCLA vice-chancellor of health services. Chief of the Medical Section of the Manhattan Engineering District. Chief of the Radiological Safety Section of the Joint Task Force for Operation Crossroads.
Dean of the UCLA College of Letters and Science and UCLA professor of economics. Director of the UCLA Institute of Industrial Relations and chair of the President's Emergency Railway Labor Board.