What is Harold Macmillan?
{{Infobox officeholder | honorific-prefix = [[The Right Honourable]] | name = The Earl of Stockton | honorific-suffix = {{post-nominals|country=GBR|size=100%|OM|PC|FRS}} | image = Harold Macmillan.jpg | caption = Official portrait, 1959 | alt = Harold Macmillan in 1959 | order = [[Prime Minister of the United Kingdom]] | term_start = 10 January 1957 | term_end = 18 October 1963 | monarch = [[Elizabeth II]] | deputy = [[Rab Butler]] {{nowrap|(1962–63)}} | predecessor = [[Anthony Eden|Sir Anthony Eden]] | successor = [[Alec Douglas-Home|Sir Alec Douglas-Home]] | order1 = [[Leader of the Conservative Party (UK)|Leader of the Conservative Party]] | term_start1 = 10 January 1957 | term_end1 = 18 October 1963 | predecessor1 = [[Anthony Eden|Sir Anthony Eden]] | successor1 = [[Alec Douglas-Home|Sir Alec Douglas-Home]] | module = {{collapsed infobox section begin |Ministerial offices|titlestyle = border:1px dashed lightgrey}} {{Infobox officeholder |embed = yes |order2 = [[Chancellor of the Exchequer]] |term_start2 = 20 December 1955 |term_end2 = 13 January 1957 |primeminister2 = [[Anthony Eden|Sir Anthony Eden]] |predecessor2 = [[Rab Butler]] |successor2 = [[Peter Thorneycroft]] |order3 = [[Secretary of State for Foreign Affairs]] |term_start3 = 7 April 1955 |term_end3 = 20 December 1955 |primeminister3 = [[Anthony Eden|Sir Anthony Eden]] |predecessor3 = Sir Anthony Eden |successor3 = [[Selwyn Lloyd]] |order4 = [[Secretary of State for Defence|Minister of Defence]] |term_start4 = 19 October 1954 |term_end4 = 7 April 1955 |primeminister4 = [[Winston Churchill|Sir Winston Churchill]] |predecessor4 = [[Harold Alexander, 1st Earl Alexander of Tunis|The Earl Alexander of Tunis]] |successor4 = [[Selwyn Lloyd]] |order5 = [[Minister of Housing and Local Government]] |term_start5 = 30 October 1951 |term_end5 = 19 October 1954 |primeminister5 = [[Winston Churchill|Sir Winston Churchill]] |predecessor5 = [[Hugh Dalton]] |successor5 = [[Duncan Sandys]] |order6