International: Scientists' Warning

Scientists did not like the May-Johnson bill's emphasis on secrecy. To them the bill seemed a reflection of the U.S. Army's attitude that the atom was primarily a weapon of war rather than a challenging frontier on the limits of knowledge, to be pushed back for the benefit of all men.

A parade of scientists who took exception to the May bill's security provisions passed before Congressional committees. Others made statements to the press. Columbia's Dr. Harold C. Urey discoverer of heavy hydrogen, favored a worldwide ban on the manufacture of atomic weapons. Dr. Herbert L. Anderson, who worked on the bomb,...

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