• Addams, Jane, Chicago settlement worker
• Allen, Robert S., newspaper columnist
• Baker, Newton D., Secretary of War
• Beedle, George E., Wisconsin insurance commissioner
• Birge, Edward A., President of the University of Wisconsin
• Blaine, John J., Progressive Republican governor and U.S. senator
• Borah, William , U.S. senator
• Broughton, Charles E., Sheboygan editor
• Comings, George F., Lieutenant Governor
• Commons, John R., economist
• Cowie, Robert S., La Crosse lawyer and judge
• Crownhart, Charles Henry, Justice, Wisconsin Supreme Court; Progressive campaign manager in 1916
• Dahl, Andrew H., Wisconsin Sate treasurer and Progressive politician
• Davies, Joseph E., U. S. commissioner of corporations, director for the Federal Trade Commission
• Donald, John S., Secretary of state and Progressive politician
• Dudgeon, Mathew S., Secretary of the Wisconsin Free Library Commission
• Duffy, F. Ryan, U.S., Senator and circuit judge
• Esch, John J., Congressman
• Frankfurter, Felix, Harvard law faculty; later, supreme court justice
• Frear, James A., Congressman and Progressive politician
• Gale, Zona, author, playwright
• Hoan, Daniel W., Mayor of Milwaukee
• Holmes, Frederick L., journalist and author
• Hull, Merlin, Congressman
• Kading, Charles E., Congressman
• Krumrey, Henry, State senator, Progressive politician, and cheese cooperative organizer
• La Follette, Philip F., Governor
• La Follette, Robert M., Sr., Governor and U.S. senator
• La Follette, Robert M., Jr., U.S. senator
• Lenroot, Irvine L., Congressman and senator
• Levitan, Solomon, Wisconsin state treasurer
• Lochner, Louis P., foreign news correspondent
• Long, Huey P., Louisiana senator
• McAdoo, William Gibbs, Secretary of the U.S. treasury
• McCarthy, Charles, Legislative reference librarian
• McGovern, Francis E., Milwaukee lawyer and governor
• McNary, Charles L., Senator from Oregon
• Nelson, John M., Congressman
• Philipp, Emanuel L., Stalwart Republican governor
• Pinch, Gifford, Governor of Pennsylvania
• Rogers, Alfred T., Law partner of Robert M. La Follette, Sr.
• Shipstead, Henrik, Senator from Minnesota
• Stephenson, Isaac, Senator
• Van Hise, Charles R., President of the University of Wisconsin
• White, William Allen, Editor
• Whitnall, Charles B., Secretary of the Milwaukee County Park Commission
• Zimmerman, Fred R., Governor and secretary of state