Robert Eugene Simpson

Robert Blickensderfer, Victor R. Spironello, Annie G. Smelley, Jalna R. Zatko, Bernard J. Scheiner, Willard L. Hunter, Warren M. Mahan, James H. Russell, B. W. Dunning, Morton Min Wong, Jon K. Ahlness, A. V. Petty, Seth C. Schaefer, J. E. Fraley, Dennis Joseph Cox, Laurance L. Oden, G. W. Elger, Ivan L. Nichols, James E. Mauser, Don C. Seidel, Robert Eugene Simpson, Edward Morrice, K. Robert Dorman, Jerry W. Stengel, Anthony W. Sparks, Arne Landsberg, Eddie Martin (Minerals engineer), Glenn R. Palmer, John Bennetts, Fred Ambrose, James C. Kirchner, Jan G. Patricio, Richard Lincoln Stein, Jack L. Henry

Robert Blickensderfer, Victor R. Spironello, Willard L. Hunter, Warren M. Mahan, James H. Russell, B. W. Dunning, Arthur F. Colombo, Morton Min Wong, Jon K. Ahlness, Laurence L. Oden, A. V. Petty, Seth C. Schaefer, Eddie Martin, J. E. Fraley, Dennis Joseph Cox, Howard D. Jacobs, G. W. Elger, Ivan L. Nichols, James E. Mauser, Don C. Seidel, Robert Eugene Simpson, Edward Morrice, K. Robert Dorman, Jerry W. Stengel, Anthony W. Sparks, Arne Landsberg, Glenn R. Palmer, John Bennetts, Joseph E. Schiller, Ralph H. Nafziger, Steven A. Matthes, Fred Ambrose, James C. Kirchner, Jan G. Patricio, Richard Lincoln Stein, Ronald R. Jordan, Sequoyah L. Payne, Jack L. Henry

J. E. Fraley, Dennis Joseph Cox, Robert Eugene Simpson