Lincoln Cromwell, of Wm. Iselin & Co., New York.
Arthur V. Davis, President of the Aluminum Co. of America.
Thomas F. Manville, President of H. W. Johns-Manville Co.
Charles F. Brooker, President of the American Brass Company.
John E. Morron, President of the Atlas Portland Cement Company.
John D. Ryan, President of the Anaconda Copper Company.
R. L. Agassiz, President of the Calumet & Hecla Mining Company.
W. A. Clark, President of the United Verde Copper Company.
Murry M. Guggenheim.
R. H. Downman, President of the National Lumber Manufacturers' Association.