Edward Bertram Holland, Frank Alfred Hays, Harvey Leroy Sweetman, Hubert William Yount, Joseph Bridgeo Lindsey, Massachusetts Agricultural Experiment Station, Norman James Pyle, Henry Torsey Fernald, John Geddie Archibald, Ruby Sanborn, Ruth Elizabeth Sherburne · 1929
Alexander Edmond Cance, Arao Itano, Edward Bertram Holland, Fred Winslow Morse, George Edward Gage, George Edward Stone, Henry James Franklin, Joseph Bridgeo Lindsey, Rudolf William Ruprecht, Beryl Holmes Paige, Frederick William Read, James P. Buckley, James C. Reed, William Lawson Machmer · 1915
Burton Noble Gates, Charles Anthony Goessmann, George Edward Stone, Hatch Experiment Station, Henri Darwin Haskins, Henry James Franklin, Henry Torsey Fernald, Joseph Bridgeo Lindsey, Philip H. Smith, William Penn Brooks, Lewell Seth Walker, Edward Bertram Holland · 1907
Edward Bertram Holland, Fred Winslow Morse, George Henry Chapman, Henry James Franklin, Henry Torsey Fernald, Jacob Kingsley Shaw, Joseph Bridgeo Lindsey, William Leonard Doran, Arthur Israel Bourne, John Geddie Archibald, Paul Johnson Anderson, Carlos Loring Beals · 1921
Arthur Bishop Beaumont, Edward Bertram Holland, Frank Alfred Hays, Harold Everett White, Lawrence Southwick, Massachusetts Agricultural Experiment Station, Ralph L. France, William George Colby, William Leonard Doran, Jacob Kingsley Shaw, Walter Stuntz Ritchie · 1940
Edward Bertram Holland, George Edward Gage, George Edward Stone, Henry James Franklin, Jacob Kingsley Shaw, John Edwin Ostrander, Joseph Bridgeo Lindsey, Philip Henry Smith, Carlos Loring Beals, Fred Winslow Morse, Harold Wilson Hyland, Beryl Holmes Paige · 1913