text: * 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