Robert Menzies Robert Menzies Sir Robert Gordon Menzies, (; 20 December 189415 May 1978), was an Australian politician who twice served as Prime Minister of Australia, in office from 1939 to 1941 and again from 1949 to 1966. He played a central role in the creation of the Liberal Party of Australia, defining its policies and its broad outreach. He is Australia's longest-serving prime minister, serving over 18 years in total. Menzies studied law at the University of Melbourne and became one of Melbourne's leading lawyers. He was Deputy Premier of Victoria from 1932 to 1934, and then transferred to federal parliament,
Secretary of the Department of the Prime Minister and Cabinet (Australia) the list of Secretaries, since the first appointment was made on 1 January 1912. Within days of John Gorton becoming Prime Minister, the functions of the Prime Minister's Department was split and a Department of the Cabinet Office was established. On taking office as Prime Minister in 1971, William McMahon reversed Gorton's changes and restored earlier changes via the creation of the Department of the Prime Minister and Cabinet. A lesser role of Secretary to the Department of the Vice-President of the Executive Council was established for a short time; abolished in the early days of the Whitlam government. Upon