Clark Wallace Thompson was a Representative from Texas, born in La Crosse, Wisconsin, August 6, 1896. He moved to Oregon in 1901 with his parents, who settled in Cascade Locks. He attended the common schools and the University of Oregon at Eugene. He served in the United States Marine Corps, First World War, 1917-1918; United States Marine Corps Reserve, 1918-1940 and 1942-1946; United States Marine Corps, Second World War, 1940-1942.
He went into the insurance business; was business owner; was elected as a Democrat to the Seventy-third Congress to fill the vacancy caused by the death of United States Representative Clay Stone Briggs (June 24, 1933-January 3, 1935). He was not a candidate for renomination to the Seventy-fourth Congress in 1934. Thompason resumed activities as a public relations counsel and as a delegate to the Texas State Democratic convention, 1936. He served as a public relations counsel and was elected to the Eightieth Congress to fill the vacancy caused by the death of United States Representative Joseph J. Mansfield, and reelected to the nine succeeding Congresses and served until his resignation on December 30, 1966 (August 23, 1947-December 30, 1966). He was not a candidate for reelection to the Ninetieth Congress in 1966.
Thompson died on December 16, 1981, in Galveston, Texas; he is buried in Galveston Memorial Park Cemetery.
[Source: Biographical Dictionary of the United States Congress, http://bioguide.congress.gov/scripts/biodisplay.pl?index=T000198, accessed 2/24/2015]