The mind of the accused may possibly be unique," said the public prosecutor in Bow Street magistrate's court. "It is clear that we have half of his mind beyond the reach of reason and the impact of facts.

The other half lived in a world of normal relationships and friendships ... a classical example of that immortal duality of English literature—Dr. Jekyll and Mr. Hyde." Others who studied the case of Dr. Klaus Fuchs would dispute even the possibility that his treasonous behavior might be unique.

Fuchs is a type of traitor which the U.S. has recently and reluctantly come to recognize....

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