by Annie G. Smelley, August J. Kwitowski, Daryl E. Radcliffe, George M. Lucich, Jalna R. Zatko, K. J. Liles, Murray Rosen, R. S. DeCesare, Robert F. Holub, Stephen L. Law, Thomas G. Carnahan, United States. Bureau of Mines, Benjamin W. Haynes, Bernard J. Scheiner, Charles Milton Flynn, F. J. Palumbo, H. Heystek, Lewis V. Wade, Philip W. Holland, Raymond M. Stateham, P. M. Sullivan, Roald Edmund Lindstrom, William J. Campbell

1979

by Albert R. Rule, B. T. Brady, Bernard J. Scheiner, Byron A. Baker, D. E. Siskind, D. G. Kuehn, David S. Burgess, F. E. Joyce, Foster Fraas, H. E. Powell, H. L. Gibbs, James J. Olson, Laurance L. Oden, Lewis V. Wade, P. M. Sullivan, Paul J. Barrett, Robert K. Koch, Ronald A. Munson, W. F. Marshall, C. Kenneth Eilerts, Charles Prasky, D. H. Sumner, J. L. Hoffman, Joseph H. Bilbrey, Leo W. Higley, Martin H. Stanczyk, Michael George Zabetakis, Paul Watson Johnson, Peter A. Stahl, R. S. McClain, R. W. Hurn, Roald Edmund Lindstrom, Robert C. Steckley, S. E. Khalafalla, Wilbur I. Duvall, Donald E. Shanks, Frank A. Peters, J. Howe, L. M. Chanin, Max J. Spendlove, Robert A. Beall

1973

by Bernard J. Scheiner, Roald Edmund Lindstrom, Donald E. Shanks

1973