C. C. Thom, Edwin George Schafer, Fred DeForest Heald, Homer Thomas Darlington, M. A. Yothers, Max Adams McCall, State College of Washington. Agricultural Experiment Station, State College of Washington. Dept. of Dry Land Demonstration and Experiment, Washington Bureau of Farm Development, Edward Franklin Gaines, Henry F. Holtz, Horace Mann Woolman · 1915
Anthony Spuler, E. A. Taylor, Edwin George Schafer, Frederick John Sievers, Harold Payne Singleton, Harry Lee Garver, L. W. Cassel, M. E. McCollam, State College of Washington. Agricultural Experiment Station, Henry F. Holtz, O. E. Barbee, Edward Franklin Gaines · 1926
Axel Leonard Melander, Edward Franklin Gaines, Edwin George Schafer, George Alfred Olson, Henry F. Holtz, Sophia Eckerson, State College of Washington. Adams Branch Experiment Station, State College of Washington. Agricultural Experiment Station, William Hislop, Carroll Evan Howell, M. A. Yothers · 1917
Axel Leonard Melander, Edwin George Schafer, Fredreick John Sievers, George Severance, H. Hackedorn, Max Adams McCall, State College of Washington. Agricultural Experiment Station, Edmund Louis Green, George Orien Baker, Henry F. Holtz, Henry Morris Wanser, R. P. Bean, Anthony Spuler, Jerry Sotola · 1924
Anthony Spuler, Axel Leonard Melander, Fred DeForest Heald, Frederick John Sievers, George Severance, H. Hackedorn, State College of Washington. Agricultural Experiment Station, Ernest Reuben Johnson, Henry F. Holtz, Jerry Sotola, L. J. Smith, R. P. Bean · 1922