John Frank Herbert Stallman was born in Maida Vale, London, on 14 November 1889. He was the first child of John Henry Zacharia Stallman who was an importer and exporter of crude drugs and spices. He attended Dulwich College and then Guy's Hospital Medical School where he won the Michael Harris Prize

Sidney Limbrey Higgs was the son of a solicitor and was born in London on 12 September, 1892. From Whitgift School he went to St John's College, Cambridge, where he rowed in the Lady Margaret's first boat winning his oar. While a student at St Bartholomew's Hospital in August 1914, he served with a

Walter Barham Foley was born at Bridgwater, Somerset, on 18 September 1889, the eldest of six sons of Robert and Sarah Foley. He was educated at Sherborne School, Dorset, 1901-1907, distinguishing himself in athletics and shooting. He entered St Thomas's Hospital in 1907 having gained an entrance sc