Harold Wilson former prime ministers or senior parliamentary figures. There is an extensive bibliography on Harold Wilson. He is the author of a number of books. He is the subject of many biographies (both light and serious) and academic analyses of his career and various aspects of the policies pursued by the governments he led. He features in many "humorous" books. He was the Prime Minister in the so-called "Swinging London" era of the 1960s, and therefore features in many of the books about this period of history. Harold Wilson James Harold Wilson, Baron Wilson of Rievaulx, (11 March 1916– 24 May
Prime Minister of Australia becomes acting Prime Minister in those circumstances. Three Prime Ministers have died in office – Joseph Lyons (1939), John Curtin (1945) and Harold Holt (1967). In each of these cases, the Deputy Prime Minister (an unofficial office at the time) became an interim Prime Minister, pending an election of a new leader of the government party. In none of these cases was the interim Prime Minister successful at the subsequent election. As of , there are seven living former Australian Prime Ministers. The greatest number of living former Prime Ministers at any one time was eight. This has occurred twice: