- Arthur Henry Joel, Charles Calvert Smoot, Charles Knesal Cooperrider, Clarence Sheldon Slater, Cyril Oliver Bratley, Eugenia Cuvillier, George Henry Hepting, George Luther Schnur, George W. Barber, George Wallace Musgrave, Harold Blaisdell Shepard, Herbert George Barott, James Stewart Wiant, James William Park, Lawrence Zeleny, Lewis Bertie Olmstead, Margaret Blanche Hays, Norman Julian Wall, Paul Lewis Harding, R. L. Piemeisel, R. W. Leukel, Stephen Harold Hastings, Stuart Bevier Show, William Henry Black, Barnard Andrew Hendricks, Dan Hansen, David Augustus Coleman, E. I. Kotok, Edwin Alfonso Trowbridge, F. F. Dicke, Francis Raymond Lawson, George Grant Hedgcock, Jacob Martin Lutz, Oscar Roland Mathews, R. S. Holmes, Ralph Wylie Frey, Robert Arthur Norton, J. I. Hardy, Dean Humboldt Rose, Horace Greeley Byers
· 1937
- F. W. Poos, Arthur Charles Dillman, Barry Cutler Park, Bion Tolman, C. A. Matthews, C. J. Babcock, Earl W. McComas, Ernst Artschwager, Francis Eugene Clark, Francis Raymond Lawson, Geoffrey Seddon Shepherd, Harley A. Daniel, Irvin Cecil Brown, James Ellsworth Kraus, Jay Laurence Lush, John Clifford Elmore, Kenneth Barbee McKinney, Kenneth Pickett Davis, Mark Hughlin Haller, R. A. Blanchard, R. S. Holmes, R. W. Leukel, William Henry Black, Harry M. Elwell, A. F. Howland, Arthur Eugene Molln, Besse B. Day, James Russell Douglas, James Thorp, John Holmes Martin, Nancy Harper Wheeler, R. L. Piemeisel, Ruth C. McGuire, Turner Harcourt Hopper, Walter Whittier Swett, Williamson Edward Hearn, Maurice B. Cox, Byron Lester Southwell, R. R. Graves
· 1944
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Arthur Henry Joel, Clarence Sheldon Slater, George Luther Schnur, George Wallace Musgrave, Harold Blaisdell Shepard, Herbert George Barott, James William Park, Lawrence Zeleny, Paul Lewis Harding, Robert Louis Piemeisel, David Augustus Coleman, Dean Humboldt Rose, Francis Raymond Lawson, Horace Greeley Byers, Robert Arthur Norton, Jacob Martin Lutz, Robert Smith Holmes· 1937
No image available
Arthur Henry Joel, Charles Calvert Smoot, Charles Knesal Cooperrider, Clarence Sheldon Slater, Cyril Oliver Bratley, Eugenia Cuvillier, George Henry Hepting, George Luther Schnur, George W. Barber, George Wallace Musgrave, Harold Blaisdell Shepard, Herbert George Barott, James Stewart Wiant, James William Park, Lawrence Zeleny, Lewis Bertie Olmstead, Margaret Blanche Hays, Norman Julian Wall, Paul Lewis Harding, R. L. Piemeisel, R. W. Leukel, Stephen Harold Hastings, Stuart Bevier Show, William Henry Black, Barnard Andrew Hendricks, Dan Hansen, David Augustus Coleman, E. I. Kotok, Edwin Alfonso Trowbridge, F. F. Dicke, Francis Raymond Lawson, George Grant Hedgcock, Jacob Martin Lutz, Oscar Roland Mathews, R. S. Holmes, Ralph Wylie Frey, Robert Arthur Norton, Dean Humboldt Rose, Horace Greeley Byers, J. I. Hardy· 1937
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Chester J. Francis, Dayton L. Klingman, Gordon G. Mark, Horatio Clyde Mason, Hoyle B. Puckett, Irvin Fay Reed, James Vermeer, Leon Havis, M. Connor Ahrens, Marie B. Harmon, Marshall Harris, Norman Allen, Norman Carroll Teter, Orlin James Scoville, Roy Elliott Campbell, United States. Agricultural Research Service. Agricultural Engineering Research Division, Verne Elbert Davison, W. S. Chepil, Wayland Arthur Shands, William A. Junnila, Birely J. Landis, Edgar Alfred Taylor, F. M. Grant, Francis Raymond Lawson, Howard Earl Dorst, Howard Lyle Hill, Irving Rollins Starbird, John M. Lawrence, Neal P. Woodruff, Robert S. Dimmick, Virgil Lee Hurlburt, Warren Cleaton Shaw, F. H. Siddoway, Lawrence V. Compton, William John Reid· 1961
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No image available
No image available