1923 - 1932 | Research Associate in the Department of Geology at the Natural History Museum in Vienna |
1929 | LID completed at the University of Vienna, Austria |
1930 - 1931 | Lecturer in Economic Geology at the Volkshochschule in Vienna |
1930 - 1931 | Researcher of fossil Crustacea at the British Museum (Natural History), London |
1931 | Doctor of Philosophy (PhD) completed at the University of Vienna |
1932 - 1937 | Senior Research Officer and Chief of the Micropalaeontological Laboratory at the Moscow Petroleum Institute (Institute of Mineral Fuels, Academy of Science of the USSR from 1934) |
1936 - 1937 | Senior Research Officer (part-time) at the Palaeontological Institute, Academy of Science of the USSR |
1936 - 1937 | Lecturer in Palaeontology at the Petroleum Institute in Moscow |
1938 - 1942 | Geologist with the Anglo-Iranian Oil Company and later Head of the palaeontological laboratory of the Australasian Petroleum Company in Port Moresby |
1942 - 1945 | Voluntary worker for Directorate of Research, LHQ Australian Military Forces and for Allied Geographical Section, Melbourne |
1942 - 1950 | Chief Palaeontologist at the Australasian Petroleum Company |
1946 | Special Lecturer in Micropalaeontology at the University of Melbourne |
1948 | Doctor of Science (DSc) received from the University of Melbourne |
1950 - 1951 | Senior Lecturer in Palaeontology at the University of Adelaide |
1951 - | Fellow of the Australian and New Zealand Association for the Advancement of Science (FANZAAS) |
1952 | Reader in Palaeontology at the University of Adelaide |
1953 - 1954 | Reader in Geology and Palaeontology at the University of Adelaide |
1957 - | Fellow of the Australian Academy of Science (FAA) |
1962 | Walter Burfitt Prize received from the Royal Society of New South Wales |
1962 - 1977 | Chairman of the Australian Academy of Science National Committee for Geological Sciences |
1964 - | Professor (to 1971) then Emeritus Professor in Geology and Palaeontology at the University of Adelaide |
1970 | Verco Medal received from the Royal Society of South Australia |
1971 - | Fellow of the German Academy of Natural Sciences Leopoldina |
1980 | ANZAAS Medal received (Australian and New Zealand Association for the Advancement of Science) |
1982 | Charles Doolittle Walcott Award and Medal received from the US National Academy of Sciences |