The sixty-fourth meeting was held in Washington, D. C. on September 13 and 14, 1957. At a preliminary Executive Session in Dr. Dunham's office it was agreed that the nomination of a Chairman would be post- poned until the next meeting and that Dr. Warren was to conduct this meeting as Vice-Chairman. The regular session was called to order by DR. WARREN at 9:50 a.m. with the following persons present. ADVI SORRY COMMITTEE Shields Warren, Acting Chairman Leonidas Marinelli Simeon T. Cantril Charles H. Burnett George Beadle (Consultant) Hanson Blatz, Scientific Secretary Rosemary Elmo, Administrative Secretary STAFF, DIVISION OF BIOLOGY AND MEDICINE Charles L. Dunham, Director Charles W. Shilling, Deputy Director Forrest Western, Assistant Director Howard C. Bron, Assistant Director G. Victor Beard Herbert Talkin Gordon Dunning Paul B. Fearson John Totter Robert D. O'Neill Kathryn &£. Weichold Harry D. Bruner Robert Reitemeier Bernard Trum Paul Henshaw Virginia Bolton Walter D. Claus F. Raymond Zintz Clifford Harding John Bonner Thomas Ely Richard Johnston Elizabeth A. Hower Herbert A. Stanwood James Haggerty Walter Schroebel John N. Wolfe Joshua Holland OTHER, AEC Kenneth E. Fields, General Manager Commissioner John Graham Merril Eisenbud, Manager NYOO S. Allan Lough, Deputy Director HASL

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