Joseph Turney Wood
Robert DeCourcy Ward
Henry A. Gardner
William J. Claxton
B. C. Batcheller
C. F. Cross & E. J. Bevan
Joseph Nasmith
American Railway Signal Association
James H. Stephenson
Farnham Bishop
George G. André
Pictorial Photographers of America
George E. Waring
Richard Bitmead
U.S. Geological Survey
J. C. F. Johnson
Henry Kater & Dionysius Lardner
David Pollock
Harold E. Babbitt
Herbert Hoover
Leonard S. Hobbs
Sidney Morgan
H. Vandervoort Walsh
Bradley A. Fiske
