アメリカ合衆国農務長官
Robert Selmer Bergland (July 22, 1928 – December 9, 2018) was an American politician. He served as a member of the House of Representatives from Minnesota's 7th congressional district from 1971 to 1977, and he served as United States Secretary of Agriculture from 1977 until 1981, during the administration of President Jimmy Carter.