Complex sentence: Dr. Walter W. Marseille was a Berkeley, California psychoanalyst who published occasionally on nuclear weapons policy in the "Bulletin of the Atomic Scientists" from 1954 until 1962.
Split into simpler sentences: Dr. Walter W. Marseille was said to be a Berkeley, California psychoanalyst. He published occasionally on nuclear weapons policy in the "Bulletin of the Atomic Scientists" from 1954 until 1962.