- William Waugh Adams, Byron Matthew Bird, Albert John Kraemer, Arno Carl Fieldner, B. Marvel O'Harra, Byron Oscar Pickard, Carl A. Taylor, Clyde Elmer Williams, Daniel Harrington, Earl Renwick McMillan, Edmund Spriggs Leaver, F. C. Gregory, F. C. Houghten, George William Jones, Harold Carl Miller, Horace Wadsworth Gillett, J. E. Crawshaw, J. J. Jakosky, Lee Clyde Ilsley, Martin J. Gavin, Mayo Dyer Hersey, N. F. Le Jeune, Nicholas Arthur Clarke Smith, O. P. Hood, Oliver Bowles, Ronald Van Auken Mills, Royd Ray Sayers, S. H. Brooks, Spencer Pritchard Howell, Thomas Thornton Read, United States. Bureau of Mines, W. W. Odell, William John McConnell, William Marsh Myers, Charles Edward Munroe, Constantin Promos Yagloglou, D. D. Stark, E. W. Butzler, Edward Lawrence Mack, Edward Phillip Barrett, H. B. Brunot, H. E. Messmore, H. M. Smith, I. H. Nelson, Lewis C. Karrick, Max Wilhelm Von Bernewitz, R. V. Thurston, Sidney Hershberg Katz, Thomas Leonard Joseph, William Parks Yant, Bernard Marvin Larsen, Dewey A. Reynolds, E. P. Buxton, L. P. Calkins, Percy Hoke Royster
· 1923
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