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
Prime Minister of the United Kingdom for example, the powers of government were divided equally between the Duke of Newcastle and William Pitt, 1st Earl of Chatham, leading to them both alternatively being described as Prime Minister. Furthermore, many thought that the title "Prime Minister" usurped the Sovereign's constitutional position as "head of the government" and that it was an affront to other ministers because they were all appointed by and equally responsible to the Sovereign. For these reasons there was a reluctance to use the title. Although Walpole is now called the "first" Prime Minister, the title was not commonly used during his tenure. Walpole