 He moved to Huntingdon, Pennsylvania, in 1918 and engaged in the printing and publishing business and in banking.He was a member of the Pennsylvania Publishers’ Association from 1924 to 1936, director of the National Editorial Association from 1926 to 1936, and a member of the Republican State committee from 1932 to 1936.In November 1932, Biddle was the successful Republican nominee in the special election held to fill the vacancy in the Seventy-second Congress caused by the death of Edward M. Beers.