The Wisconsin Progressive Party (1934–1946) was a political party that briefly held a dominant role in Wisconsin politics. The Party was the brainchild of Philip La Follette and Robert M. La Follette, Jr., the sons of the famous Wisconsin Governor and Senator Robert M. La Follette, Sr.. The party was established in 1934 as an alliance between the longstanding "Progressive" faction of the Republican Party of Wisconsin, led by the La Follette family and their political allies, and certain radical farm and labor groups active in Wisconsin at the time. The party served as a vehicle for Philip to run for re-election as Governor of Wisconsin and for Robert to run for re-election to the United States Senate. Both men were successful in their bids, and the party saw a number of other victories as