Edward Alexander Butterworth was an ophthalmic surgeon to the Luton and Dunstable Hospital. He was born on 6 July 1907, at Port Elizabeth, South Africa, the son of Arthur Shaw Butterworth, a civil engineer, and Ida Evelyn White. He was educated at the Royal Masonic School, Bushey, from which he gain

Arthur Lister was born in Aberdeen on 12 February 1905. His father was a physician and Lord Lister was his great-uncle. He was educated at Lancing and Trinity College, Cambridge, where he graduated BA in 1927. He began his clinical studies that year, entering the London Hospital with a Price Univers

The Hon Geoffrey John Orlando Bridgeman, the second son of the first Viscount Bridgeman, was born on 3 July 1898 at 39 Harley Street, London. He was educated at Eton and Trinity College Cambridge, and served in the Royal Field Artillery during the first world war, and was awarded the MC in 1918. He

Lewis Philip Jameson Evans was born at Edgbaston, Birmingham on 2 June 1907, the son of John Jameson Evans, FRCS, a distinguished ophthalmic surgeon and lecturer in ophthalmology in Birmingham University; his mother was a daughter of the Rev Thomas Charles Edwards DD, first Principal of the Universi