Ian Ayliffe Hamilton was a surgeon in Adelaide, Australia. He was born in Geelong, South Australia, on 22 October 1901, the son of Frank Hamilton, a winemaker, and Violet Elsie May Hamilton née Ayliffe. He was educated at St Peter's College, Adelaide, and then studied medicine at Adelaide University

Paul Jones was born in Bendigo, Victoria, on 4 November 1903, the second son of John James Jones. He attended Bendigo High School and won a scholarship to Melbourne University where he qualified MB BS in 1927. After working at the Royal Melbourne Hospital he moved to England where he held posts at S

Cyril Arnold King was born in Oamaru, New Zealand. He had a very distinguished school career, winning a university scholarship in 1912. In the same year he won the Lord Meath Empire Day Cup for an essay, fostering imperial patriotism, open to all secondary school students in the Empire. Making the p

Hector Hamilton Stewart was born on 4 November 1901. His father, Hector Joseph Stewart, was a civil and mining engineer, also a pastoralist and a member of the Legislative Council of Western Australia. After attending Perth Modern School and the University of Western Australia as a state exhibitione

John Stephen MacMahon was born at Cootamundra, New South Wales. His father was a solicitor practising there, but he also had a country property where the animals, the horses especially, fascinated the boy. He was educated at St Patrick's College, Goulburn, and from the very outset had an outstanding

Alan Harding Lendon was born in Adelaide on 11 August 1903, the youngest son of Dr Alfred Austin Lendon who had been a prominent member of the profession in South Australia. He was educated at St Peter's College, Adelaide and at Adelaide University where he won the Davies Thomas Prize in 1924 and 19