Who were the British Prime Ministers in the 1960s and what was their party?
Harold Macmillan was Prime Minister from 10 January 1957 to 18 October 1963. He was a member of the Conservative Party. 
Alex Douglas-Home was Prime Minister from 18 October 1963 until 16 October 1964. He was a member of the Conservative Party.
Harold Wilson was Prime Minister from 16 October 1964 until 19 June 1970. He was a member of the Labour Party. 