Robert Pierce Knowles I (February 25, 1916 – November 3, 1985) was an American businessman and Republican politician.
He was the younger brother of Wisconsin Governor Warren P. Knowles (1965–1971).
Born in River Falls, Wisconsin, Knowles served in the United States Army Air Forces during World War II.
[1][2] Knowles was defeated for re election in 1976 by Democrat Michele Radosevich 52%-48%.
This article about a member of the Wisconsin State Senate is a stub.