SPEAKERS AND CHAIRMEN 



61 



SECTION A. PHYSICS OF MATTER. (Hall 11, September 23, 10 a. TO.) 



CHAIRMAN: PROFESSOR SAMUEL W. STRATTON, Director of the 



National Bureau of Standards, Washington. 

 SPEAKERS: PROFESSOR ARTHUR L. KIMBALL, Amherst College. 



PROFESSOR FRANCIS E. NIPHER, Washington Uni- 

 versity. 

 SECRETARY: PROFESSOR R. A. MILLIKEN, University of Chicago. 



SECTION B. PHYSICS OF ETHER. (Hall 11, September 23, 3 p. TO.) 



CHAIRMAN: PROFESSOR HENRY CREW, Northwestern University. 



SPEAKER: PROFESSOR DEWITT B. BRACE, University of Ne- 

 braska. 



SECRETARY: PROFESSOR AUGUSTUS TROWBRIDGE, University of 

 Wisconsin. 



SECTION C. PHYSICS OF THE ELECTRON. (Hall 5, September 22, 3 p. TO.) 



CHAIRMAN: PROFESSOR A. G. WEBSTER, Clark University. 

 SPEAKERS: PROFESSOR P. LANGEVIN, College d'e France. 



PROFESSOR ERNEST RUTHERFURD, McGill University, 



Montreal. 

 SECRETARY: PROFESSOR W. J. HUMPHREYS, University of Virginia. 



DEPARTMENT 10 CHEMISTRY 

 (Hall 5, September 20, 4.15 p. TO.) 



CHAIRMAN : PROFESSOR JAMES M. CRAFTS, Massachusetts Institute 



of Technology. 

 SPEAKERS: PROFESSOR JOHN U. NEF, University of Chicago. 



PROFESSOR FRANK W. CLARKE, Chief Chemist, U. S. 

 Geological Survey. 



SECTION A. INORGANIC CHEMISTRY. (Hall 16, September 21, 10 a. TO.) 



CHAIRMAN: PROFESSOR JOHN W. MALLET, University of Virginia. 



SPEAKERS: PROFESSOR HENRI MOISSAN, The Sorbonne; Member 



of the Institute of France. 



SIR WILLIAM RAMSAY, K.C.B., Royal Institution, 

 London. 



SECRETARY: PROFESSOR WILLIAM L. DUDLEY, Vanderbilt Univers- 

 ity. 



SECTION B. ORGANIC CHEMISTRY. (Hall 16, September 21, 3 p. TO.) 



CHAIRMAN: PROFESSOR ALBERT B. PRESCOTT, University of Michi- 

 gan. 



SPEAKERS: PROFESSOR JULIUS STIEGLITZ, University of Chicago. 

 PROFESSOR WILLIAM A. NOYES, National Bureau of 

 Standards. 



SECRETARY 

 SECTION C. 



CHAIRMAN: 



PHYSICAL CHEMISTRY. (Hall 16, September 22, 10 a. TO.) 



PROFESSOR WILDER D. BANCROFT, Cornell University. 

 SPEAKERS: PROFESSOR J. H. VAN T'HOFF, University of Berlin. 



PROFESSOR ARTHUR A. NOYES, Massachusetts Institute 



of Technology. 

 SECRETARY: MR. W. R. WHITNEY, Schenectady, N. Y. 



