by Claude Raymond Tillotson, Earl Wooddell Sheets, James Franklin Collins, James Ransom Holbert, Ned Royce Ellis, Sarah Josephine MacLeod

1922

by Benjamin Koehler, Charles Elmer Durst, Frederick Charles Bauer, Frederick Francis Weinard, John William Lloyd, Laurence Joseph Norton, Oliver Ralph Overman, Paul Hubert Tracy, Sleeter Bull, Victor Wendell Kelley, Walter August Huelsen, Wesley Pillsbury Flint, William Leonidas Burlison, Ben Bowen Wilson, Carl Otto Mohr, Harrison August Ruehe, Horace Mead Newell, James Ransom Holbert, Jay Courtland Hackleman, John Harwood Longwell, Merl Conrad Gillis, Orlando Ford Garrett, Samuel Wesley Decker, Fred Carl Olson, Ogle Hesse Sears

1930

by Benjamin Koehler, David Cleveland Wimer, Frank Lincoln Stevens, Harold Clayton M. Case, Harold Hall McKinney, James Lloyd Edmonds, Mary Helen Keith, Oliver Ralph Overman, Raymond Stratton Smith, William Garfield Kammlade, Arthur Knapp Mackey, Chalmers Woodruff Crawford, Frank Paul Sanmann, George Harlan Dungan, James Ransom Holbert, Kenneth Hayes Myers, Marion Boyer Harland, Orda Allen Plunkett, Frederick Alexander Davidson, Robert William Webb

1925

by Herbert Howard Alp, Lacey Fletcher Rickey, Benjamin Koehler, Clyde Maurice Linsley, David Edgar Lindstrom, E. G. Johnson, Ernest Thompson Robbins, Grace Besselene Armstrong, Herbert Windsor Mumford, John Jacob Pieper, Leslie Edwin Sawyer, Paul Hubert Tracy, Robert Graham, Robert R. Hudelson, Roland Willey Bartlett, W. B. Nevens, Wesley Pillsbury Flint, William Garfield Kammlade, Frank Thorp, Edwin Ivan Pilchard, James Ransom Holbert, William Arthur James, University of Illinois (Urbana-Champaign campus). Agricultural Experiment Station

1930