Philip G. Clites, Carl F. Wingquist, G. V. Sullivan, George H. Keith, H. F. Feldmann, Harold J. Heinen, James T. McCartney, Jim E. Murphy, Joseph M. Singer, Karl C. Dean, Mary A. Barrett, Ralph B. Adair, Richard E. Siemens, Robert Lynn Crosby, Theresa L. Iapalucci, William E. Bruce, William Edward Wallace, Bern Porter, Clyde I. Pierce, Donald H. Desy, Edward Morrice, James Paone, James S. Browning, Laurance L. Oden, Nevin Greninger, Richard Havens, Richard J. Demski, Robert A. Beall, Sabri Ergun, W. H. Simons, William G. Gruzensky, Daniel Bienstock, Donald K. Deardorff, Joseph Grumer, Kimball T. Harper, Morton Min Wong, Samuel J. Sanders, Walter K. Sawyer · 1969
Arno Carl Fieldner, Arthur Lowell Fox, Francis Harold Gibson, Joseph Dana Davis, United States. Bureau of Mines, Walter Alfred Selvig, Dewey A. Reynolds, Henry Herman Storch, William Harlan Ode, J. L. Elder, Lester Larsen Hirst, Clarence Raymond Holmes, James T. McCartney · 1944