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,

John Neville Ormrod was a consultant ophthalmic surgeon in Kent. He was born in Birmingham on 12 December 1922 to James Ormrod, a dental surgeon, and Dorothy Ormrod née Wilson. His early schooling was in Birmingham at Chigwell House and Lickey Hills preparatory schools, and then at Aldenham School,