- Anne Lauretta Gessner, Charlie B. Robbins, Donald Ray Davidson, James Warren Mather, John Durward Campbell, John Marvin Bailey, Kelsey Beeler Gardner, Nelda Griffin, Paul Coffman Wilkins, Raymond John Mischler, Raymond Lloyd Fox, Theodore Raymond Eichers, Walter Louis Hodde, William Clyde Bowser, Arno John Hangas, David Volkin
· 1961
- Charles F. Henderson, Alvin George Anderson, Arthur Frederick Sievers, Brittain Bragunier Robinson, Charles Cloyes Fletcher, Charles W. Culpepper, Clarence Francis Kelly, Claude Kedzie Shedd, Edward Mackay Chace, George Lloyd Hayes, George McMillan Darrow, Harold Edwin Stevens, Ivan Claude Jagger, James Okley Grandstaff, Mark Hughlin Haller, O. K. Hedden, Paul Jones Chapman, R. W. Leukel, Ralph W. Phillips, Robert Wallace Gerdel, Thornton Taft Munger, United States. Department of Agriculture, Walter Ernest Fleming, William Solomon Porte, Joy Harold Clarke, Albert Ronald Merz, Archie Davilla Hess, Donald Navarre Matthews, Emory Dwight Burgess, Frederick Lovejoy Wellman, Harry Willard Von Loesecke, Hubert Hill Moon, Jacob Martin Lutz, Jay Brownlee Davidson, Ole Anker Nelson, Ralph Boutelle Piper, Robert Max Merrill, Walter Louis Hodde, Bailey Edgar Brown, Earl Dewey Mallison, Edgar Vermont Collins, John Laurence Heid, Warren W. Maines
· 1941
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No image available