The family moved to Tucson, Arizona, for McNutt's health and education. The family structure began to disintegrate, but McNutt did well in high school and in college at the University of Arizona. He worked his way through college doing projects related to agriculture and to the disease Rheumatoid Arthritis. He had high honors. He was accepted to Harvard Medical School and then later concentrated on Anatomic Pathology at the Massachusetts General Hospital.
After two years of military service, McNutt went to San Francisco for eight years before joining the Pathology department of the New York Hospital. He also worked at the Rockefeller University.
McNutt is retired and writes about his unusual experiences.