Complex sentence: He was an unsuccessful candidate for reelection in 1936 to the Seventy-fifth Congress, but went on to serve as chairman of the Board of Claims, Ohio Industrial Commission from 1937 to 1945.
Split into simpler sentences: He was an unsuccessful candidate for reelection in 1936 to the Seventy-fifth Congress. He went on to serve as chairman of the Board of Claims, Ohio Industrial Commission from 1937 to 1945.