- Elton F. Paddock, Herbert T. Scofield, John N. Wolfe, Adolph Edward Waller, Anna E. Waller, Bernard S. Meyer, C. A. Swanson, C. W. Ellett, Clarence E. Taft, Clyde Harold Jones, D. M. McLean, Edgar Nelson Transeau, Eugene B. Wittlake, Folke Johnson, Frederick G. Dickason, Glenn W. Blaydes, Lois Lampe, Ohio State University. Department of Botany, Royal E. Shanks, Grace Ann Stewart, Lawrence E. Yarman
· 1933
- Lawrence E. Hicks, Adolph E. Waller, Alfred Nelson Watson, Arthur Glenn Chapman, Bernard B. Meyer, Bernard S. Meyer, Ching Li Liang, Clyde Harold Jones, Edgar Nelson Transeau, Ervin Merritt Herrick, Gilford J. Ikenberry, Helen L. Chrysler, Hiram F. Thut, Homer Cleveland Sampson, John Henry Schaffner, Lewis Hanford Tiffany, Ohio State University. Department of Botany, Oliver D. Diller, Paul Jackson Kramer, R. O. Freeland, Robert Benson Gordon, Vincent H. Morris, Wendell Holmes Camp, Elbert H. Ahlstrom, F. G. Liming, Robert H. McCormick
· 1929
- Adolph E. Waller, Bernard S. Meyer, Clarence E. Taft, Clyde Harold Jones, Edgar Nelson Transeau, Elbert H. Ahlstrom, Elizabeth Sloane Bretz, Floyd Alonzo McClure, Glenn W. Blaydes, Helen Jean Brown, John Henry Schaffner, Lawrence E. Hicks, Lewis Hanford Tiffany, Mary Stump Taylor, Ohio State University. Department of Botany, R. T. Wareham, Ralph Orlando Freeland, Richard Allen Popham, Robert Benson Gordon, S. S. Humphrey, Don S. Rader
· 1933
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No image available
No image available