Bryan Cruickshanks was an ophthalmic surgeon in Sarnia, Ontario, Canada. He was born in Wallsend, Northumberland on 11 October 1935, the second child of William Blackwood Cruickshanks, a tradesman in the shipyards, and his wife, Jesse Cruickshanks née Brown. He excelled at Wallsend Grammar School an

Roy Mapstone was born in Wedmore, Somerset, on 15 May 1934, the son of an agricultural worker, and after early education at Wedmore Primary School and Sexey's Grammar School, Bruton, entered Bristol University, graduating in 1959. After house appointments he undertook National Service in Germany, Ni