King was a
Labor Party member of the
South Australian House of Assembly from 1970 to 1975, representing the eastern suburbs
electoral district of Coles. He was appointed to various ministerial portfolios during his career, including Aboriginal Affairs, Social Welfare, Community Welfare, and Prices & Consumer Affairs. In late 20th century South Australian history, he is one of the few newly elected members of Parliament that have been appointed straight to a Cabinet position without any previous parliamentary experience. He was the 40th
Attorney-General of South Australia during the reformist
Don Dunstan government, from 1970 until 1975. ==Judicial career==