Allan Isadore Friedmann was a consultant ophthalmologist at the Royal Eye Hospital. He was born in Bloemfontein, South Africa, on 15 June 1916 to Joseph and Matilda Friedmann. His father was a pharmacist. He was educated locally at Grey College School in Bloemfontein, matriculating with first class

Ralph Francis Jones studied medicine at St Bartholomew's Hospital and qualified MB BS in 1951. He held appointments as senior registrar to St Thomas's Hospital and senior research officer and chief clinical assistant to Moorfields Eye Hospital. At the time of his death he was consultant ophthalmic s