Arno Carl Fieldner / Bernard Marvin Larsen / Clifford Cook Furnas / Edmund Spriggs Leaver / George St. John Perrott / Harold Manton Smith / Harry Blackburn Hill / John D. Sullivan / Lee Clyde Ilsley / Morris Guggenheim / Oliver Bowles / Paul Gordon Guest / Sidney Hershberg Katz / United States. Bureau of Mines / William Wallace Odell |