Horace Branson Cowgill

Charles Dwight Marsh, Walter David Hunter, Robert George Hill, Louis Guy Michael, Horace Branson Cowgill, V. F. Tapke, Joshua John Skinner, Oscar Steanson, A. B. Clawson, Curtis Criss McDonnell, Edward William Nelson, Ellis Lore Kirkpatrick, Ernest Adna Back, Ernest Reuben Johnson, George Oury Gatlin, Guy N. Collins, Howard Castner Pierce, James Robert Weir, Jenkin William Jones, Joseph Alfred Ambler, Lyman James Briggs, Meredith Chester Wilson, Mordecai Ezekiel, Wilbert Walter Weir, G. C. Roe, Jesse Thomas Sanders, Juan Brewer Demaree, Leslie Hart, R. H. Wilcox, R. T. Cotton, Samuel Benton Nuckols

David Griffiths, Dan Hansen, United States. Department of Agriculture, Wells Aleck Hutchins, George W. Barber, Victor Nelson Valgren, Charles Henry Thompson, Arthur Edgerton Seamans, David A. Savage, Arthur T. Sweet, Benjamin Yoe Morrison, Clarence Luther Forsling, E. A. McGregor, Edgar Brown, Edward Frank Snyder, Elmer W. Knight, Ernst H. Wiecking, Franklin Elmer Allison, George Pelham Walton, George Thomas Ratliffe, Hans Weller Hochbaum, Helnut Charles Diehl, Horace Branson Cowgill, James Richard Quesenberry, Jess Richard Dilley, Robert Normal Wilson, Thomas William Heitz, William Williams Gilbert, Earle V. Storm, Eben H. Toole, Fred Campbell Meier, Robert Franklin Gardiner, William Lukens Edwards, Willard Levi Goss