 Macmillan was one of the few ministers brave enough to tell Churchill to his face that it was time for him to retire.During the Second World War Macmillan's toothy grin, baggy trousers and rimless glasses had given him, as his biographer puts it, "an air of an early Bolshevik leader".By the 1950s he had had his teeth capped, grew his hair in a more shapely style, wore Savile Row suits and walked with the ramrod bearing of a former Guards officer, acquiring the distinguished appearance of his later career.