Bachelor of Medicine, Bachelor of Surgery, Master of Arts in Physiology, University of Oxford, 1963.
Intern, Tindel General & Churchill Hospitals, England, 1964-1965; resident in surgery, Bellevue Hospital/New York University Medical Center, 1965-1969; private practice surgery, New York City, since 1969. Attending surgeon Manhattan VA Medical Center, New York City, since 1969, Bellevue Hospital, since 1975, University Hospital, New York City, since 1976. Professor surgery New York University School Medicine, 1979-1987, S.A. Localio professor surgery, since 1987, director division general surgery, since 1992, director general surgery residency training, 1994.
Fellow American College Surgeons. Member American Surgical Association, Society University Surgeons, Society Surgery of Alimentary Tract (secretary 1991-1993, president-elect 1994), James IV Society Surgeons, University of Oxford Medical Society.
Married Patricia Lawrence Vignolo, November 20, 1982. Children: Elizabeth Lawrence, Jonathan Clarke Gibb.