Charles Marks was professor of surgery at Louisiana State University, New Orleans. He was born in Kremenchug, Ukraine, the son of Abe Marks, a businessman, and Sonia Marks née Beck, a housewife. He migrated to South Africa, where he matriculated from Wynberg Boys’ High School in Cape Town in Decembe

Allastair Karmody was born in Trinidad, West Indies, on 29 March 1937, the son of Solomon Karmody, an engineer, and his wife, Sylvia. His brother, Colin, qualified as a doctor at Tufts University, Boston, USA. Allastair was educated at St Mary's College, Port of Spain, Trinidad, and the University o