F. Hamilton Jackson
Arthur William Knapp
Albert Frederick Calvert
H. R. Procter
William H. Dooley
T. F. Bell
Edgar G. Thomssen
Peter C. Welsh
Joseph Wickham Roe
Paul Zipperer
Thomas Curtis Clarke & others
Franklin Beech
Joshua Rose
W. H. Simmons and H. A. Appleton
Andrew Ure
Gardner D. Hiscox (ed.)
Babcock & Wilcox Company
Edward A. Martin
Justus von Liebig
James W. Steele
