* April 12, 1915 born in Milwaukee, Wisconsin
* 1936: BS,  University of California, Berkeley (Chemistry)
* 1940: PhD, University of California, Berkeley (Physiology)
* 1936–1937: Paraffin Company, Inc., Control Chemist
* 1940–1941: University of California, Berkeley, Upjohn Fellow
* 1942–1943: Manhattan Project, Chicago Metallurgical Laboratory, Researcher
* 1943–1944: Manhattan Project, Oak Ridge Clinton Laboratory, Senior Chemist
* 1944–1945: Manhattan Project, Hanford Engineering Works (GE), Senior Chemist
* 1945–1974: University of California, Berkeley, Associate Professor to Professor of Chemistry
* 1963:      elected to National Academy of Sciences
* 1974–1988: Hebrew University, Professor of Archeology and Chemistry
* 1988–1991: Lawrence Berkeley National Laboratory, Researcher
* August 3, 1991 died in Los Alamitos, California