Richard Witty Foster was an Australian politician. He began his career in the Parliament of South Australia (1893–1906) and served two terms as Commissioner of Public Works in liberal and conservative governments. He was elected to federal parliament in 1909 as a Liberal, later joining the Nationalists. He was Minister for Works and Railways (1921–1923) under Prime Minister Billy Hughes, eventually losing his seat at the 1928 election.

Sir Frederick William Holder was an Australian politician. He was Premier of South Australia from June to October 1892 and again from 1899 to 1901. He was a prominent member of the inaugural Parliament of Australia following Federation in 1901, and was the first Speaker of the Australian House of Representatives.