William Horn

William Austin Horn (1841–1922) was an Australian mining magnate, pastoralist, politician, author, sculptor and philanthropist.

On 24 September 1879 in St Andrews Church, Walkerville, he married Penelope Elizabeth Belt; they had two daughters and six sons.

Their children included: Thomas Sutherland Horn and Richard Austin Horn were members of Goyder's expedition to the Northern Territory 1868–1869 Copper deposits had earlier been discovered in the Yorke Peninsula region at Wallaroo, and a further discovery was made nearby in 1861 on the property of pastoralist Walter Watson Hughes.

On learning that news of the discovery had been leaked to another party, Hughes dispatched the young William Horn on a 22-hour horse ride to successfully register the claim in Adelaide.

[7][8] In 1890 he gave the National Gallery of South Australia the famous Heinrich Heuzenroeder collection of coins, comprising 11,000 specimens, some of which were Roman.