*1930–1938 Demonstrator and Assistant Lecturer at Imperial College, London
*1931 Travelling scholarship to work with Walter Hieber on metal carbonyls at the University of Heidelberg
*1938–1947 Senior Lecturer in Inorganic Chemistry, University of Melbourne
*1947–1954 Senior Principal and Deputy Chief Scientific Officer, Atomic Energy Research Establishment, Harwell
*1954–1959 Professor of Chemistry at the University of Melbourne
*1959–1963 Director of the National Chemical Laboratory, Teddington (closed 1965)
*1963–1975 Professor of Inorganic Chemistry, University of Oxford
*1975–1981 Honorary Professorial Fellow of University College, Aberystwyth
*1981–1990 Visiting Fellow, Research School of Chemistry, Australian National University, Canberra
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