- Albert Watts Moore, Carl F. Dunker, Charles D. Converse, Claron Owens Hesse, Elmer Snyder, Everett Eugene Lund, Frank Custer Edminster, Franklin Elmer Allison, Franklin Jacob Crider, George Haymaker Vansell, Guy Weston Bohn, H. O. Hetzer, Harry Edward Goresline, Harry Ream Lochry, Henry Hamilton Bennett, Herbert Spencer, Jesse Edward Harmond, Jesse Wilburn Ingram, Leslie Rushton Hawthorn, Mary Cecelia Whitlock, Myron Sallee Anderson, Oscar Roland Mathews, Ralph William Marquis, United States. Department of Agriculture, Forest G. Bell, Frank N. Harmon, Elbert Hann Reid, Kirby M. Hayes, Leonard M. Klein, Lester Alan Thompson, Max Raymond Osburn, Sidney Fay Blake, Thomas Wallace Whitaker, Alfred W. Otte, Arnon Lewis Mehring, Bert D. Robinson, Paul A. Norman
· 1952
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No image available
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Charles A. Fort, Charles Chase Hill, David Francis Costello, David Irving Blumenstock, Doys Andrew Shorb, Elmer R. Roth, Ethelbert Lee Langsford, Everett Elmer Wehr, Frank Morris Eaton, George Charles Husmann, Harold Reginald Offord, Horace Preston Lanchester, Irvin Carl Feustel, Leander D. Howell, Lucy Maclay Alexander, Lyle Thomas Alexander, Mark Hughlin Haller, Milton Henry Fohrman, Robert Edgar Worthington, Roy Hyer Canfield, Stafford Coleman Happ, Thomas Randall Carson Wilson, Vernon Webster Johnson, William Gustavus Wahlenberg, Bailey Sleeth, Ben Hur Thibodeaux, Elmer Snyder, George R. Van Atta, Gordon Rittenhouse, Horace Greeley Byers, John Stuart Pinckney, L. V. Wilcox, Nancy Griswold Clark, Nelson McKaig, Paul Lewis Harding, R. R. Graves, Raymond Price, Sidney Henderson, Smith Winford Greene, Edgar John Udine, Frederick Ludwig Husmann, Gilbert Colfax Dobson, Glen Edgington, Herman Eugene Swanson, Hiram Richard Reed, James Hayes Marshall· 1939