vane We regret the injection intoa 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, 8 Dr. Roger Adams Head of Chemiatry Department Univer sity of Illinois . Dr, John Bugher Director of Medical Education and Public Health of the Rockefeller Foundation Dr, Jesse W. Beams Professor of Physics - University of Virginia 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. Warren C, Johnson ' Director of Physical Sciences _ Univer sity of Chicago. Dr. Mervin J, Kelly President, Bell Laboratories - | ‘Dre Eger Vv._ Murphree President, Esso Research & Engineering Co. ‘Dr. Cc. ‘P. Rhoads ' Director of Memorial Hospital "andtheSloan-KetteringInstitute. Dr. J. C. Warner President, Carnegie Institute of Technology