Alder was born in Victoria, Australia and educated at Melbourne graduating from the University in 1949. After holding resident posts at the Prince Henry (1949-50) and Royal Children's (1951) hospitals, he came to England in 1953, served as Nuffield Demonstrator of Anatomy at Oxford, and took the Fel

Jim Mortensen was a urological surgeon in Melbourne, Australia. He was born in Yarrawonga, Victoria, Australia, on 15 May 1926, the only child of Henry Newman Mortensen and Lorna née Bray, who were both general practitioners. His father went to England in the early 1930s to specialise in surgery and