Benjamin Garrison Thompson, Clyde Walker, Edward Winslow Harvey, Ermine Lawrence Potter, Harry August Schoth, Herman La Motte Thomas, Idwal Ralph Jones, John Otto Schnautz, Margaret Tiffany Wilcox, Maud Wilson, Oregon State College. Agricultural Experiment Station, Walter George Cadmus, Sara Shively · 1944
Alfred Gunn Lunn, Arthur George Bristow Bouquet, Ermine Lawrence Potter, Frank Lester Knowlton, George Robert Hyslop, Howard Phillips Barss, Leroy Childs, Oregon State College. Agricultural Experiment Station, Reginald Heber Robinson, Wilbur Louis Powers, Alfred Weaver Oliver, Harry Arthur Lindgren · 1923
Arthur Burton Cordley, Arthur George Bristow Bouquet, Arthur Lester Lovett, Claude Isaac Lewis, Ezra Jacob Kraus, Fred LeRoy Kent, Harley Frost Wilson, Herbert Spencer Jackson, James Dryden, Oregon State College. Agricultural Experiment Station, Reginald Heber Robinson · 1908