This oral history interview with Sidney Leiken was conducted by Clark Hansen at Leiken’s office in Roseburg, Oregon, on June 8, 1992. In the interview, Leiken discusses his family background and early life in New Haven, Connecticut, including the effect the Depression had on his family and his experience in the Civilian Conservation Corps, which brought him to Oregon. He then discusses working at sawmills, his marriage to Thora Hult, and the lumber business. He discusses moving to Roseburg, Oregon, starting a family, and getting into politics, including his involvement with the Democratic Party. Leiken talks about serving in the Oregon House of Representatives from 1961 to 1967. He describes his campaign and constituency in Douglas County. He talks about legislation, including on taxes, community colleges, timber, labor, and land use. He also talks about his fellow legislators, including Monte Montgomery, Al Flegel, Jason Boe, and W.O. Kelsay. He also discusses working on Bob Duncan’s campaign for the U.S. Senate in 1966. Leiken talks about leaving politics, his wife’s cancer diagnosis, and her subsequent death in 1969. He goes on to talk about the changes in the Democratic Party since then, as well as partisan politics during his terms in the Legislature. He closes the interview with some words of advice to aspiring politicians, and a discussion of his family life.