David W. Wisecarver / John Ward Ward-Smith / A. G. Loomis / C. J. Walker / Ellis M. Frost / Francis X. Cannaday / George S. Koch / Harold Manton Smith / Haruo Katō / Louis Anthony Panek / Mary H. Kersten / Max Richard Geer / Miles E. Tyrrell / Roy T. Sorensen / United States. Bureau of Mines / Neil B. Young / Arthur F. Colombo / C. G. Kirkland / Clarence Warren Houck / Donald C. Crowell / Jerry W. Ramsey / John A. Stock / Ray V. Huff / Richard F. Link / David E. Emerson / Donald W. Frommer / George A. Brady / Scott W. Hazen |