=20 We regret the injection into a political campaign of statements and conclusions which extend beyond the limits of existing scientific evidence, Such scientific matters of vital importance can only be evaluated by calm deliberations, Dr. Roger Adams Head of Chemistry Department Univer sity of Illinois Dr, John Bugher Director of Medical Education and Public Health of the Rockefeller Foundation Dr. Jesse W, Beams gon Professor of Physica er, University of Virginia \3 a) Dr, John Dunning Dean of Engineering Columbia Univer sity Dr, G, Failla Director of Radiological Research Laboratory of the College of Physicians and Surgeons Columbia University Dr. T. Keith Glennan President, Case Inatitute Dr, Carroll Hochwalt, Chemist Dr, WarrenC, Johnson Director of Physical Sciences University of Chicago Dr. Mervin J, Kelly President, Bell Laboratories REPRODUCED AT THE DWIGHTD. EISENHOWER LIBRARY : ee Dr, Eger V. Murphree President, Esso Research & Engineering Co. Dr. C, P. Rhoads Director of Memorial Hospital and the Sloan-Kettering Institute Dr. J. C. Warner President, Carnegie Institute of Technology

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