Education
Bachelor of Science, U. Manitoba, Canada, 1941; Master of Science, U. Manitoba, Canada, 1942; Doctor of Philosophy in Physical Chemistry, McGill University, Canada, 1944; Doctor of Laws (honorary), University Manitoba, 1980.
Bachelor of Science, U. Manitoba, Canada, 1941; Master of Science, U. Manitoba, Canada, 1942; Doctor of Philosophy in Physical Chemistry, McGill University, Canada, 1944; Doctor of Laws (honorary), University Manitoba, 1980.
Research chemist, Natural Research Council Canada, 1944-1947; research associate, Institute Nuclear Studies, University of Chicago, 1948-1952; research fellow, Institute Nuclear Studies, University of Chicago, 1952-1953; senior research fellow, Institute Nuclear Studies, University of Chicago, 1953-1954; associate professor, Institute Nuclear Studies, University of Chicago, 1954-1959; professor geochemistry, California Institute Technology, Pasadena, 1959-1984; William E. Leonhard professor geology, California Institute Technology, Pasadena, since 1984.
Fellow American Academy Arts Sciences, American Geophysical Union, European Union Geophysical Society (honorary gdn., Urey medal 1995), Royal Society of Canada (foreign fellow). Member NAS, Geological Society American (Arthur L. Day medal 1978), Geochem. Society (Goldschmidt medal 1977).