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 Accidental Prime Minister slated for release on 21 December 2018. The Accidental Prime Minister The Accidental Prime Minister: The Making and Unmaking of Manmohan Singh is a 2014 memoir by Indian policy analyst Sanjaya Baru, who was Prime Minister Manmohan Singh's media advisor from May 2004 to August 2008. Published by Penguin India, the book alleges that Singh was not entirely in control of his cabinet—or even the Prime Minister's Office (PMO). Instead, significant power was wielded by the Congress party's president Sonia Gandhi, to whom Singh was completely "subservient". "There cannot be two centres of power", Baru remembers Singh explaining to him,