by Edward C. Peck, Arthur Koehler, Charles Walter Collins, David Edmund Stephens, Ernest Bateman, George William Trayer, Hazel Katherine Stiebeling, Herbert Dwight Smith, James Edward McMurtrey, John Guice Sutton, John William Roberts, Joseph Clarence Silver, Joshua John Skinner, Mark Hughlin Haller, Milton Henry Fohrman, R. D. Garver, R. W. Leukel, Ralph Lester Miller, Raymond Secord Washburn, T. D. Jarrell, Thompson Elwyn Woodward, Walter M. Osborn, William Henry Fry, William Jasper Spillman, William John Nolan, Willis James Nolan, Carrington Bonsor Williams, Hazel Edith Munsell, Henry Morris Wanser, Ione P. Bassett, James Geere Dickson, James McKenzie Hankins, John Brown Cuno, John Clymer Dunegan, John Holmes Martin, John Robert Magness, R. R. Graves, Samuel Frederick Potts, Aaron Francis Bracken, Aaron Guy Johnson, Fletcher Pearre Veitch, Harvey Blount Mann, William Walter Yothers

1932

by Colin Winterbourne Whittaker, D. W. Teare, Donald Leroy Van Horn, Earl Lee Arnold, George Frederick Potter, J. E. Dudley, J. R. Gorham, Jenkin William Jones, Jesse Roy Christie, John Guice Sutton, Joseph Oscar Blew, Lewis A. Jones, Max Messick Tharp, Orvis F. Johndrew, Richmond Young Bailey, Roy B. Davis, Samuel Benton Nuckols, Thomas Ray Stanton, Victor Rickman Boswell, W. E. Bond, Wallace Lowell Anderson, Wilbur Clifford Edmundson, William Joseph Morse, William Solomon Porte, Leonard George Schoenleber, Albert Lee Taylor, Francis John Champion, Franklin Arthur Coffman, Harley Lucius Crane, Harold H. Ellis, Henry Joseph Griffiths, J. L. Cartter, Lawrence Arthur Schaal, Myron Sallee Anderson, Richard Comings Larkin, Birely J. Landis, Lowell Eugene Campbell, R. F. Reitemeier, Thomas Henry Pond

1951