Ian Potts was a consultant urologist in Sydney. He was born in Sydney on 30 September 1921, the son of Theodore Kenneth Potts and Violet Mary Potts née Canning. His father, uncle, brother, nephew and cousin were all doctors. He was educated at Newington College, where he was *dux*, and then went on

Roger Selwyn Barrow Hudson was a general surgeon in Sydney, Australia. Born on 31 January 1921, he was the son of Alfred Roy Hudson, a medical practitioner and his wife Gertrude Irene née Barrow. He attended Newington College in Stanmore, Sydney and then studied at the University of Sydney Medical S