Christopher Tiwari was educated at Agra University and at the SW Medical College, Agra, gaining a BSc in 1947 and qualifying MB BS in 1952. After qualification he was a demonstrator in pathology at his medical college, before coming to Britain and gaining his Fellowship. Thereafter he held registrar

Colin Skelton was born in Christchurch, New Zealand, on 31 March 1935 and educated at Christchurch West High School and Otago Medical School. After house appointments at Christchurch Hospital and Grey Hospital, Greymouth, he became surgical registrar at Christchurch Hospital and then came to England

Clive Stephenson was born in Wellington, New Zealand, on 12 November 1933 and was educated at Scots College. He studied medicine at Wellington, where he qualified in 1957, held house posts and was a surgical registrar. After a year demonstrating anatomy in Otago, he went to London in 1962 to speci