Joseph Worley Moon, Basil Abaskin, John T. Miller, Ray Carlton Roberts, Robert Campbell Jurney, William Anderson Davis, William James Latimer, Arthur Elijhah Taylor, F. A. Hayes, Robert Eddins Devereux, Victor Adams Hendrick, Zera Calvin Foster, Clarence Lounsbury, Harold Carl Knoblauch, Samuel Shockley Obenshain, Charles Shaffer Simmons, George Walker Patteson, Stanley Vaughn Madison, Samuel Ocsar Perkins, Edward Shulkcum, Robert Wildermuth · 1937
Arthur Eugene Shearin, Edward Henry Templin, F. K. Nunns, Howard Malcolm Smith, John Leonard Retzer, Ralph C. Cole, Wilber Secor, William Anderson Davis, William Duncan Shrader, William George Harper, Daniel Francis Kinsman, Edwin Noel Poulson, John Walter Huckabee, Robert Alexander Gardner, Stanley Vaughn Madison, I. C. Mowery, J. Clark Foulger, Leighton Francis Koehler, W. E. Benson, W. S. Colvin, Vladimir G. Shutak · 1941
Arthur Elijah Taylor, Arthur Eugene Shearin, Clarence Lounsbury, Eugene Frizzell Goldston, James Clair Mercer, Robert Wildermuth, Stanley Vaughn Madison, William Anderson Davis, C. W. Croom, J. T. Conger, W. E. Benson, W. S. Colvin, Daniel Francis Kinsman, George Daniel Thornton, Samuel Fred Davidson · 1942