Norman Tindale was a prodigious anthropologist and polymath who chronicled Aboriginal culture, studied butterflies and moths, and broke Japanese wartime codes.
A resolute cyclist, Peter Nelson was married to Marjorie Jackson Nelson and died of leukaemia at a young age. A phenomenally successful athlete in her own right, Marjorie Jackson Nelson went on to become a governor of South Australia.
Robert Barr Smith had a genius for business. He was also a generous philanthropist, though his modesty dictated that much of the funding was dispensed anonymously.
Sir Charles Todd was a leader in the fields of meteorology, astronomy and communications, and is best remembered for masterminding the construction of the Overland Telegraph Line.
A pioneering neurosurgeon, Cairns worked extensively in the field of head injuries and was one of the first to promote the use of crash helmets for motor cyclists.