 Before joining the faculty of the University of Rochester in 1944, he headed the biochemistry section of the U.S. Atomic Energy Commission at the university and helped develop the field of health physics.In 1965 he was a member of the scientific team that studied the effects of space flight on astronauts Frank Borman and James A. Lovell after their fourteen-day flight on Gemini 7.Neuman was the author or co-author of more than two hundred scholarly publications.