SPEAKER: PROFESSOR ROBERT S. WOODWARD, Columbia University.
DEPARTMENT 9--PHYSICS (_Hall 6, September 20, 2 p. m._)
CHAIRMAN: PROFESSOR HENRY CREW, Northwestern University.
SPEAKERS: PROFESSOR EDWARD L. NICHOLS, Cornell University.
PROFESSOR CARL BARUS, Brown University.
SECTION A. PHYSICS OF MATTER. (_Hall 11, September 23, 10 a. m._)
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 University.
SECRETARY: PROFESSOR R. A. MILLIKEN, University of Chicago.
SECTION B. PHYSICS OF ETHER. (_Hall 11, September 23, 3 p. m._)
CHAIRMAN: PROFESSOR HENRY CREW, Northwestern University.
SPEAKER: PROFESSOR DEWITT B. BRACE, University of Nebraska.
SECRETARY: PROFESSOR AUGUSTUS TROWBRIDGE, University of Wisconsin.
SECTION C. PHYSICS OF THE ELECTRON. (_Hall 5, September 22, 3 p. m._)
CHAIRMAN: PROFESSOR A. G. WEBSTERr, Clark University.
SPEAKERS: PROFESSOR P. LANGEVIN, College de 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. m._)
CHAIRMAN: PROFESSOR JAMES M. CRAFTS, Ma.s.sachusetts Inst.i.tute 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. m._)
CHAIRMAN: PROFESSOR JOHN W. MALLET, University of Virginia.
SPEAKERS: PROFESSOR HENRI MOISSAN, the Sorbonne; Member of the Inst.i.tute of France.
SIR WILLIAM RAMSAY, K.C.B., Royal Inst.i.tution, London.
SECRETARY: PROFESSOR WILLIAM L. DUDLEY, Vanderbilt University.
SECTION B. ORGANIC CHEMISTRY. (_Hall 16, September 21, 3 p. m._)
CHAIRMAN: PROFESSOR ALBERT B. PRESCOTT, University of Michigan.
SPEAKERS: PROFESSOR JULIUS STIEGLITZ, University of Chicago.
PROFESSOR WILLIAM A. NOYES, National Bureau of Standards.
SECRETARY:
SECTION C. PHYSICAL CHEMISTRY. (_Hall 16, September 22, 10 a. m._)
CHAIRMAN: PROFESSOR WILDER D. BANCROFT, Cornell University.
SPEAKERS: PROFESSOR J. H. VAN T"HOFF, University of Berlin.
PROFESSOR ARTHUR A. NOYES, Ma.s.sachusetts Inst.i.tute of Technology.
SECRETARY: MR. W. R. WHITNEY, Schenectady, N. Y.
SECTION D. PHYSIOLOGICAL CHEMISTRY. (_Hall 16, September 22, 3 p. m._)
CHAIRMAN: PROFESSOR WILDER O. At.w.a.tER, Wesleyan University.
SPEAKERS: PROFESSOR O. COHNHEIM, University of Heidelberg.
PROFESSOR RUSSELL H. CHITTENDEN, Yale University.
SECRETARY: DR. C. L. ALSBERG, Harvard University.
DEPARTMENT 11--ASTRONOMY (_Hall 8, September 20, 4.15 p. m._)
CHAIRMAN: PROFESSOR GEORGE C. COMSTOCK, Director of the Observatory, Madison, Wisconsin.
SPEAKERS: PROFESSOR LEWIS BOSS, Director of Dudley Observatory.
PROFESSOR EDWARD C. PICKERING, Director of Harvard Observatory.
SECTION A. ASTROMETRY. (_Hall 9, September 21, 10 a. m._)
CHAIRMAN: PROFESSOR ORMOND STONE, University of Virginia.
SPEAKERS: DR. OSKAR BACKLUND, Director of the Observatory, Pulkowa, Russia.
PROFESSOR JOHN C. KAPTEYN, University of Groningen, Holland.
SECRETARY: PROFESSOR W. S. EICHELBERGER, U. S. Naval Observatory.
SECTION B. ASTROPHYSICS. (_Hall 9, September 21, 3 p. m._)
CHAIRMAN: PROFESSOR GEORGE E. HALE, Director of the Yerkes Observatory.
SPEAKERS: PROFESSOR HERBERT H. TURNER, F.R.S., University of Oxford.
PROFESSOR WILLIAM W. CAMPBELL, Director of The Lick Observatory, Mt. Hamilton, California.
SECRETARY: MR. W. S. ADAMS, Yerkes Observatory.
DEPARTMENT 12--SCIENCES OF THE EARTH (_Hall 3, September 20, 11.15 a. m._)
CHAIRMAN: DR. G. K. GILBERT, U. S. Geological Survey.
SPEAKERS: PROFESSOR THOMAS C. CHAMBERLIN, University of Chicago.