Donald Reid Wheeler was educated in Belfast, graduating in medicine in 1918. He undertook post-graduate study in London and Vienna, and obtained the Fellowship of the Royal College of Surgeons in Ireland in 1922, and the Membership and Fellowship of the Royal College of Surgeons of England in 1923.

Michael Vincent Hurley was born in 1893 and graduated MB BCh in the National University of Ireland in 1919, in Dublin. After holding a number of junior hospital posts in London he passed the Conjoint Examination and also the FRCS in 1923, and became a registrar at Poplar Hospital in 1924. In 1925

Calvert Mitchell Carruthers was born at Point Edward, Ontario, on 27 July 1898, the third son of an engineer with the Canadian National Railway. The family came from Dumfries, Scotland. Carruthers was educated at schools in Sarnia, Ontario, and at Queen's University at Kingston. When he graduated MD

Percival John Moir was born in Glasgow on 26 July 1893 to Frederick Moir, a calico printer, and his wife Constance Ada, née Dickie. He attended Kelvinside Academy and Glasgow University, qualifying in 1914. He served as house surgeon to the Western Infirmary, Glasgow, for three to four months before

William James Lytle was born on 27 September 1896 at Maghera, Co Londonderry, Northern Ireland. His father, Thomas Alexander Lytle was a farmer, his mother, Mary Jane (née Moore) the daughter of a farmer, and his uncle was a general practitioner. He was educated at Rainey Endowed School, Magherafelt

Educated in Australia, he graduated from the University of Sydney in 1920 and then came to London, where he worked at St Mary's and Guy's Hospitals. After taking the Fellowship in 1923 he held resident posts at St George's, the West London and the Royal National Orthopaedic Hospitals. He then marrie