- Edwin Wallace Lohr, Ernest Earwood Glick, Frank Darwyn Spencer, Helmuth Wedow, Hugh Richard Gault, John William Mangan, M. G. White, Norman Julius King, W. H. Robinson, William J. Drescher, William James Hail (Jr.), William Stephens Twenhofel, Frederick C. Dreher, J. B. Ivey, Jack Bennett Graham, James Rogers Gill, Margaret L. Erwin, Paul Lewis Killeen, Sherwood Earl Frezon, Granville Alton Billingsley, Paul N. Brown
· 1935
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Charles W. Drennen, Donald Richard Wiesnet, Edwin Wallace Lohr, Frank Darwyn Spencer, Frank W. Trainer, Helen L. Cannon, John William Mangan, Norman Julius King, Robert Morgan Moxham, Severine Hansenne Britt, Jack Bennett Graham, Lois Emily Randall, Margaret L. Erwin, Walter S. West, Benjamin E. Jones· 1953
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C. F. Dyer, Charles T. Snyder, Donald George Metzger, Ellis Davis Gordon, F. W. Kennon, Fred Kunkel, Harold V. Peterson, Ira Wendell Marine, Norman Julius King, Oliver J. Cosner, Phillip W. Johnson, Reuben Clair Newcomb, Richard Frederick Hadley, Robert Edward Evenson, Robert Vittum Cushman, Richard Allen McCullough, Robert Albert Krieger, Edwin P. Weeks, John A. McCabe· 1961
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