Betsy A. Weld / Donald B. Hoover / Geological Survey (U.S.) / Harold Edgar Thomas / Helen Laura Foster / James A. McConaghy / Jim S. Hinds / John Emery Wilson / John R. Ritter / Luna Bergere Leopold / Norman J. Page / Robert Sprague Jones / Thomas P. Miller / J. A. Dietrich / Leonard Benjamin Riley / Margaret S. Griffin / Michael Fleischer / Raymond L. Elliott / Richard R. Cunningham / George W. Brett / Joseph Haffty | 