Arthur Reginald Lister was born in Totteridge, north of London, on 4 April 1895 into a distinguished medical family. Lord Lister was his great-uncle, his father, Sir William Lister, and his cousin, Arthur Lister, were well-known eye surgeons, and one of his brothers was a consultant physician at Ply

Walter Graham ("Bill") Scott-Brown was born in London on 17 February 1897, the eldest son of George Andrew Scott-Brown and Louise (née Tindall). His father was city manager of the C M & G Insurance Company. Bill, as he was known to all his family and friends, saw active service as a combatant off