Records of Prime Ministers of the United Kingdom Wilmington to Theresa May) University college with most alumni Prime MinistersChrist Church, Oxford13 (George Grenville to Sir Alec Douglas-Home) Vocational institution with most Prime Ministers as studentsThe Inns of Court11 (Lord Wilmington to Tony Blair). Of these, eight passed through Lincoln's Inn (William Pitt the Younger to Tony Blair). The first Prime Minister never to have been a university graduate was the Duke of Devonshire (served 1756–57), the last (as of ) was John Major (served 1990–97). The earliest Prime Minister to be an armed forces veteran was Henry Pelham, Prime Minister in 1743–54, who had served as a volunteer
Historical rankings of Prime Ministers of Australia prime ministers during that time were excluded from consideration, but the serving prime minister, John Howard, was included. The participants in the survey were Judith Brett (La Trobe), Greg Craven (Curtin), David Day (La Trobe), Michael Duffy (freelance), Brian Galligan (Melbourne), Ian Hancock (ANU), John Hirst (La Trobe), Carol Johnson (Adelaide), Stuart Macintyre (Melbourne), Alistair Mant (freelance), Andrew Parkin (Flinders), Tom Stannage (Curtin), Paul Strangio (Monash), James Walter (Monash), and Patrick Weller (Griffith). Geoffrey Blainey, Marian Simms, and several others were invited to participate, but declined. In 2010, a team of researchers from Monash University asked "145 academics that were