A. T. Coumbe / Alfred L. Ransome / Harry C. Young / J. D. Sargent / J. M. McClain / James Westfield / John Ferdinand Barkley / Lawrence Bursley Berger / Lee Clyde Ilsley / Leroy E. Schulze / P. M. Gruzensky / Sara Jeannette Davenport / Warren Hastings / United States. Bureau of Mines / Ernest J. Gleim / F. J. Kane / G. G. Morgis / Harry F. Weaver / Helmuth Herman Schrenk / Ivan F. Avery / R. W. Nelson / W. J. Crawford / William H. Kerns / C. M. Keenan / Fred D. Wright / Hilary Breton Brunot |