John Keast-Butler was a consultant ophthalmologist at Addenbrooke’s Hospital in Cambridge. He was born in London on 26 September 1937. His father, Joseph Alfred Keast-Butler, was a salesman and his mother, Mary Loise Brierley, was a secretary. He was educated at University College School and went up

John Cappin was a consultant ophthalmologist at Leicester Royal Infirmary from 1975 to 1999. He was born in London in 1938 to Louis and Yetta Cappin; his father was a clothing manufacturer in the East End of London and Cumbernauld, Scotland. John was the eldest of three brothers. He attended Mercers