- Ralph U. Cotter, C. A. Magoon, Charles Brooks, Charles Faye Sarle, Charles Otis Johnston, Curtis Paul Clausen, Elmer Ottis Wooton, Floyd Franklin Smith, Fred W. Miller, Harvey Leroy Westover, Howard E. Middleton, Irvin Cecil Brown, Irvine Theodore Haig, James Thorp, Lester Henry Reineke, Lyle Thomas Alexander, Millard Peck, Orator Fuller Cook, Ronald Floyd Luxford, Samuel Augustus Jones, V. L. Wildermuth, Walter Chapin Holmes, William Hobson Rowe, William John Nolan, Willis James Nolan, Bernard Frank, Charles W. Culpepper, Clarence Sheldon Slater, Donald Bruce, Edwin Butterworth Mains, Elmer Valentine Walter, Horace Greeley Byers, John Thomas Scanlan, Johnson Thatcher Sarvis, Lorraine Joseph Markwardt, Paul A. Berry, R. R. Graves, Theodore Roosevelt Gardner, Anis Rae Peterson, Kaku Sato, Leroy Moomaw, Paul Axel Clarence Eke, George W. Morgan, John Carl Thysell, M. A. Bell
· 1932
- Benson H. Paul, C. A. Plaskett, Charles Nicholas Ainslie, Clarence Elbert Clement, Dorothy Nickerson, Edward Mackay Chace, Emilio Pepe Meinecke, Franklin Thomas Cowan, George G. Ainslie, James Johnson, James Stanley Mathewson, John A. Newlin, Joseph Hubert Priestley, Laurence Victor Teesdale, Lewis Bertie Olmstead, Lorraine Joseph Markwardt, Louis Guy Michael, Oliver I. Snapp, Ralph Wylie Frey, Raphael Zon, Ruric Creegan Roark, Samuel Trask Dana, Whitney Coombs, William Gustavus Wahlenberg, William White, C. S. Trimble, H. S. Swingle, Calvin Grant Church, Charles F. Swingle, Ira Doup Clarke, John Martin Gahagan, Lyle Thomas Alexander, R. D. Garver, R. T. Cotton, Harry Lawrence Wilson, Howard E. Middleton
· 1930
No image available
No image available
Alvah Peterson, Arnon Lewis Mehring, Arthur Frederick Sievers, Carlos G. Bates, Charles Ernest Ramser, Charles W. Culpepper, Frederick Lovejoy Wellman, George Wright Hoffman, Howard E. Middleton, Hutzel Metzger, J. E. Patterson, John William Strowbridge, Manley Alexander Raymond Kelley, Michael Shapovalov, Oliver I. Snapp, Robert Leslie Shotwell, Roger Dearborn Marsden, Samuel Fortier, Wells Aleck Hutchins, William Henry Black, William John Zaumeyer, William Walter Yothers, Arthur Appleton Young, Arthur Charles Mason, F. Sidney Beecher, G. J. Haeussler, Glenn Arthur Cumings, Joseph Stuart Caldwell, Oscar Roland Mathews, Ray Palmer Teele, W. R. Barger· 1930
No image available
Benson H. Paul, C. A. Plaskett, Charles Nicolas Ainslie, Dorothy Nickerson, Edward Mackay Chace, Emilio Pepe Michael Meinecke, Franklin Thomas Cowan, George G. Ainslie, James Johnson (agriculturist.), James Stanley Mathewson, John A. Newlin, Joseph Hubert Priestley, Laurence Victor Teesdale, Lewis Bertie Olmstead, Lorraine Joseph Markwardt, Louis Guy Michael, Oliver I. Snapp, Ralph Wylie Frey, Raphael Zon, Ruric Creegan Roark, Samuel Trask Dana, Whitney Coombs, William Gustavus Wahlenberg, William White, C. S. Trimble, Calvin Grant Church, Charles F. Swingle, H. S. Swingle, Ira Doup Clarke, John Martin Gahagan, Lyle Thomas Alexander, R. D. Garver, R. T. Cotton, Harry Lawrence Wilson, Howard E. Middleton· 1929
No image available
No image available