General Manager, The Herring-Hall-Marvin Safe Co.
Formerly General Manager, National Cash Register Co.
Author of "Profit Making Management."
C. E. KNOEPPEL
Specialist in Cost Analysis and Factory Betterment.
Author of "Systematic Foundry Operation and Foundry Costing," "Maximum Production through Organization and Supervision," and other papers.
HARRINGTON EMERSON, M. A.
Consulting Engineer.
Director of Organization and Betterment Work on the Santa Fé System.
Originator of the Emerson Efficiency System.