Alexander Tolmer was a Police Commissioner, initiator of the gold escorts, and by all accounts a colourful character with a thirst for action and adventure.
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.