William David Mackay received his medical education at Aberdeen University and was junior surgical registrar to the Aberdeen Royal Infirmary before being appointed consultant surgeon to the Dundee Hospital Group. He died on 3 February 1982.

Ahmed Zaki El Ghatit was born in Egypt on 2 October 1931, the eighth child of Aly, a lawyer, and Fatma. He was educated at the College des Frères and at Cairo University, graduating MB, BCh in 1955. He passed the FRCS (and MRCS) examinations in 1964 and FRCS Ed in 1963 . He worked at the London Hosp