| 1910 | Bachelor of Science (BSc) completed at the University of Sydney |
| 1912 | Linnean Macleay Fellow in Geology of the Linnean Society of New South Wales |
| 1913 - 1919 | Assistant Lecturer in Geology at the University of Queensland |
| 1914 - 1918 | Editor of the Royal Society of Queensland’s Proceedings |
| 1915 - 1917 | Honorary Palaeobotanist at the Queensland Museum |
| 1916 - 1918 | Honorary Secretary of the Royal Society of Queensland |
| 1918 | Doctor of Science (DSc) received from the University of Sydney |
| 1918 - 1919 | President of the Royal Society of Queensland |
| 1919 - 1940 | Secretary of the Linnean Society of New South Wales |
| 1919 - 1966 | Editor of the Linnean Society of New South Wales’ Proceedings |
| 1919 - 1976 | Life member of the Royal Society of New South Wales |
| 1922 - 1929 | Editor of the Australian Nation Research Council’s Australian Science Abstracts |
| 1926 - 1947 | General Secretary of the Australasian Association for the Advancement of Science (later the Australian and New Zealand Association for the Advancement of Science (ANZAAS)) |
| 1929 | Attended a meeting of the International Geological Congress in South Africa |
| 1933 | Attended a meeting of the International Geological Congress in Washington, USA |
| 1937 - 1940 | Secretary of the Australian National Research Council |
| 1939 - 1954 | Trustee of the Australian Museum |
| 1940 - 1954 | Director of the Australian Museum |
| 1941 - 1942 | President of the Linnean Society of New South Wales |
| 1942 - 1970 | Treasurer of the Linnean Society of New South Wales |
| 1943 | President of the Royal Society of New South Wales |
| 1947 - 1954 | Served on the United Nations Educational, Scientific and Cultural Organization’s Australian committee for museums |
| 1947 - 1954 | Served on the United Nations Educational, Scientific and Cultural Organization’s Australian national advisory committee |
| 1948 | Attended the third General Conference of the United Nations Educational, Scientific and Cultural Organization in Beirut, Lebanon |
| 1948 | Clarke Medal received from the Royal Society of New South Wales |
| 1949 | Delegate at science congresses in New Zealand |
| 1949 - 1951 | President of the Australian and New Zealand Association for the Advancement of Science |
| 1951 | Delegate at science congresses in Bangalore, India |
| 1952 - 1966 | Honorary Secretary of the Linnean Society of New South Wales |
| 1953 | Bronze Medal received from the Royal Society of New South Wales |
| 1955 - 1976 | Life member of ANZAAS |
| 1970 | ANZAAS Medal received (Australian and New Zealand Association for the Advancement of Science) |
