by United States. Department of Agriculture. Production and Marketing Administration. Grain Branch, C. C. Hill, Virgil D. Moss, Warren R. Bailey, August Mark Gorenz, Clark E. Holscher, Edwin H. Fosen, Ernest E. Russell, Ernest John George, George Streator Templeton, Harold Reginald Offord, J. L. Weimer, Jenkin William Jones, Kenneth William Parker, Kirby M. Hayes, L. F. Locke, Leon Lassen, Orme Julius Kahlenberg, Robert Archibald Work, Robert Donald Davidson, Russell Oscar Olson, Selar Stephen Hutchings, Vernon Pollard Moore, William Arthur Craft, United States. Department of Agriculture, A. W. Cressman, Harry Edward Goresline, Charles August Wellner, Earl Orel Heady, Edwin Joseph Woolfolk, Howard William Lull, Bernard Frank, Roy E. Moser

1953

by 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, Henry Hamilton Bennett, Herbert Spencer, Jesse Edward Harmond, Leslie Rushton Hawthorn, Myron Sallee Anderson, Oscar Roland Mathews, Ralph William Marquis, United States. Department of Agriculture, Elbert Hann Reid, Forrest G. Bell, Frank Nelson Harmon, 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

1951