by A. E. Schwaneke, A. Gene Collins, Arne Landsberg, Donald R. Corson, Edward A. Mihok, Edward G. King, H. E. Powell, John E. Zeilinger, M. M. Fine, Marvin L. Whisman, Richard F. Hewlett, Robert G. Lundquist, Robert S. Warfield, S. E. Khalafalla, Thomas Robert Bur, William S. Sanner, Arnold B. Landstrom, Bruce W. Naugle, Carl F. Anderson, Charles C. Boley, D. W. Richardson, Frank E. Block, J. W. Goetzinger, Kenneth E. Hjelmstad, Lawrence LeRoy Smith, Richard E. Thill, Sequoyah L. Payne, Wilbert L. Falke, Andrew A. Cochran, C. C. Ward, David E. Wolfson, George W. Reimers, Robert B. Schluter, Robert V. Mrazek, Vernon R. Miller

1969