Bruce Jay Thornton, Charles B. Gnadinger, David Neill Donaldson, Edward Jackson Maynard, Gunnar Sigesmund Klemmedson, Herbert B. Osland, J. H. Newton, Leslie B. Daniels, W. A. Kreutzer, Joseph Franklin Brandon, L. E. Evans, Lawrence Wood Durrell, Perry Virgil Hemphill, C. S. Corl · 1932
Carl Rohwer, Elizabeth Dyar, Ernest Charles Smith, Harold David Harrington, Isaac Ernest Newsom, John Grim McLean, Raymond Terry Burdick, W. E. Connell, William E. Code, Elizabeth G. Cassel, Oscar Van Pelt Stout · 1943
Colorado Agricultural Experiment Station, Edward Jackson Maynard, George Anderson Beach, Gunnar Sigesmund Klemmedson, Herbert B. Osland, Herbert Christian Hanson, W. L. Burnett, Walter George Sackett, George Edwin Morton, Laura Christine Stewart, Lawrence Dudley Love, Melvin S. Morris · 1931
