Sallow, pasty-faced Chemist Harry Gold of Philadelphia had lost 50 lbs. since the FBI jailed him last summer. The man who was spy Klaus Fuchs's go-between in passing top U.S. atomic secrets to Russia had improved his hours in jail by dieting. With the shrunken look of an underprivileged cat, he slipped into the witness chair of a Manhattan federal courtroom one morning last week to testify against two of his old cronies. They were Chemical Engineer Abe Brothman, 36, and Brothman's assistant, spirited Miriam Moskowitz, 34, both accused of obstructing the U.S. Government's investigation of espionage.
Witness Gold perked...