Robert Nicholls
Sir Robert Dove Nicholls was an Australian politician who represented the South Australian House of Assembly seats of Stanley from 1915 to 1938 and Young from 1938 to 1956 for the Liberal and Country League and party predecessors. He served a record period as Speaker of the South Australian House of Assembly from 1933 to 1956.
He retired at the 1956 election, after his seat was abolished in a redistribution and he failed to gain preselection for a different seat.