Prime Minister of Australia prime minister, otherwise William McMahon63. Robert Menzies was the oldest person to ever be prime minister, leaving office at 71 years old. The longest-serving Prime Minister was Sir Robert Menzies, who served in office twice: from 26 April 1939 to 28 August 1941, and again from 19 December 1949 to 26 January 1966. In total Robert Menzies spent 18 years, 5 months and 12 days in office. He served under the United Australia Party and the Liberal Party respectively. The shortest-serving Prime Minister was Frank Forde, who was appointed to the position on 6 July 1945 after the death of
The Prime Minister Was a Spy officials". "The Prime Minister Was a Spy" made the following claims: Tom Frame, Holt's biographer, describes Titcombe and Grey's account as a "complete fabrication". He notes that there is "no corroborative evidence" for most of their claims, as none of the documents referred to in the book were produced. Furthermore, Holt was stridently anti-Communist, the large sums of money he supposedly received were never reflected in his lifestyle, he was highly unlikely to have deserted his wife and children, and the water off of Cheviot Beach was much too shallow for a submarine to submerge. Zara Holt observed that her