Robert Barr Smith (1824–1915), the son of a Scottish clergyman and his wife Marjory, née Barr, migrated to Melbourne in 1854. Moving to Adelaide just as Thomas Elder’s brothers were leaving South Australia, he threw in his lot with Elder.
The first significant wave of Belarusians arrived in South Australia as Displaced Persons (DPs) when Belarus anti-communist fighters, members of Belarusian Youth Union, military Belarusian (anti-Russian) units, pro-German Belarusian government organizations and others were in conflict with the Soviet Red Army.
Benjamin Herschel Babbage (1815–1878), an English engineer who superintended construction of the first Port Adelaide railway line, was employed by the South Australian Government in 1851 to search for gold. He led two official expeditions (1856 and 1858) that found no gold but surveyed the Flinders Ranges and Far North and established the extent of Lakes Eyre and Torrens.