There may never be a good time to lose a secret, but some secrets are worse than others to lose, and some times are worse than others to lose them. For US physicist John Archibald Wheeler (see figure 1), January 1953 may have been the absolute worst time to lose the particular secret he lost. The nation was in a fever pitch about Communists, atomic spies, McCarthyism, the House Un-American Activities Committee, Julius and Ethel Rosenberg, and the Korean War. And what Wheeler lost, under the most suspicious and improbable circumstances, was nothing less than the secret of the hydrogen bomb, a weapon of unimaginable power that had first been tested only a month before.

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