Norman Tindale was a prodigious anthropologist and polymath who chronicled aboriginal culture, studied butterflies and moths, and broke Japanese wartime codes.
South Australia was unique among the Australian colonies in that the South Australian Literary and Scientific Association assembled a subscription library before the settlers left Britain.
Best known as a governor of South Australia, Sir Mark Oliphant was also a pioneering nuclear physicist, who became an outspoken anti-nuclear campaigner.
The bronze bust of Sir Mellis Napier, sculpted by eminent South Australian artist John Dowie, commemorates his distinguished community service, including to the law and legal profession in South Australia