Humphrey Carpenter invites famous people to nominate great lives for discussion. This week, it's the turn of Margaret Thatcher's Foreign Secretary and former Secretary General of Nato, Lord Carrington. He's chosen the overlooked Second World War military leader Field Marshal Viscount Slim, who he first met in Australia in the fifties.
Slim's son John explains how his father was known as Uncle Bill to the men of the 14th Army during the arduous Burma campaign, and how he started out as a foot soldier, only to prove that he really did have a field marshal's baton in his knapsack. Producer Mark Smalley