Donald Bruce

Charles Dwight Marsh, R. W. Leukel, Stuart Bevier Show, William Henry Black, E. I. Kotok, Edwin Alfonso Trowbridge, Horace Greeley Byers, Karl S. Quisenberry, Alvah Peterson, Richard Edwin McArdle, Clarence Luther Forsling, Joshua John Skinner, Lester Henry Reineke, Lyle Thomas Alexander, Donald Bruce, O. N. Eaton, A. B. Clawson, Theo. H. Scheffer, Josiah Chase Folsom, Walter Carter, Arthur Truman Semple, Reginald Dunderdale Forbes, Edmund Cecil Shorey, Franklin Post Metcalf, Hugh Curtis McPhee, Irvin Carl Feustel, Marinus Westveld, Thomas Roy Truax, Wilbur Clifford Edmundson, H. E. Dvorachek, K. D. Jacob, K. F. Warner, Charles Vinyard Wilson

David Griffiths, United States. Department of Agriculture, John Chambers McDowell, R. W. Leukel, Frank Heidtman Lathrop, M. A. Yothers, Walter Cochran Davis, Charles Sidney Leete, Ernst H. Wiecking, Donald Bruce, George Emil Heck, Fletcher Pearre Veitch, Frederick Charles Lincoln, Frank Getz Ashbrook, Arthur Vance Swarthout, David Segrid Olson, Elmer Lash, George Herbert Coons, H. F. Willard, Harold Coleman Hallock, Justus Watson Folsom, Ralph Henry Elsworth, Reginald D. Forbes, Wiley Croom Smith, William Gustavus Wahlenberg, Charles M. Harris, Dewey Stewart, Floyd Frank Bondy, Ira Burton Lanphier, Karl Burchard Hanson, Theodore Lemuel Bissell, William Melvin Mohler, Finley George Larmer

James Thorp, Charles Brooks, Bernard Frank, Clarence Sheldon Slater, Horace Greeley Byers, William John Nolan, Charles Faye Sarle, Orator Fuller Cook, Curtis Paul Clausen, Ralph Ulysses Cotter, C. A. Magoon, Charles Otis Johnston, Elmer Ottis Wooton, Floyd Franklin Smith, Fred W. Miller, Harvey Leroy Westover, Howard E. Middleton, Irvin Cecil Brown, Irvine Theodore Haig, Lester Henry Reineke, Lyle Thomas Alexander, Millard Peck, Ronald Floyd Luxford, Samuel Augustus Jones, V. L. Wildermuth, Walter Chapin Holmes, William Hobson Rowe, Willis James Nolan, Charles W. Culpepper, Donald Bruce, Edwin Butterworth Mains, Elmer Valentine Walter, John Thomas Scanlan, Johnson Thatcher Sarvis, Lorraine Joseph Markwardt, Paul A. Berry, R. R. Graves, Theodore Roosevelt Gardner, Anis Rae Peterson, Kaku Sato, Leroy Moomaw, Paul Axel Clarence Eke, George W. Morgan, John Carl Thysell, M. A. Bell