Franz Konrad Saddler Hirschfeld was born on 26 April 1904 in Brisbane, son of Dr Eugen Hirschfeld, a graduate of Strasbourg University, who emigrated to Australia in 1890, to become the first honorary bacteriologist to the Royal Brisbane Hospital and later honorary physician. Konrad was educated at

Vernon Thompson ('VCT') was born at Tutshill, Tidenham, Gloucestershire on 17 September 1905, his father, Cecil Charles Brandon Thompson, being a general practitioner and his mother, Dorothy Christian, née Ford, the daughter of a solicitor. He went to Seafield School, Bexhill-on-Sea, and then on to