Peter John Badcoe was born on 11th January 1934 at Malvern, South Australia, the son of public servant Leslie Allen Badcoe and his wife Gladys Mary Ann May (née Overton).
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.
Philosopher, Chancellor of the University of Adelaide, and a teacher of economics, psychology and literature, Sir William Mitchell was nothing if not a polymath.