John Cogan did his medical training in Manchester and then specialised in ophthalmology, doing his training in the United Liverpool Hospitals and the North Staffordshire Royal Infirmary, Stoke on Trent. He was a consultant ophthalmic surgeon at Chester Royal Infirmary and the Wrexham Hospital Group,

Gordon Vivian Catford was a consultant ophthalmic surgeon at St George’s Hospital, London. He was born on 23 November 1927 in Bristol. His father, Harry George Bascombe Catford, was a stockbroker; his mother, Gladys Annie Catford née Horton, was a licentiate of the Royal Academy of Music. Catford wa