Bio: James Clarence Cain (1913-1992) was a friend of Lyndon B. Johnson, and his personal physician beginning in 1946. He worked for the Mayo Clinic in Rochester, Minnesota from 1940 to 1941, 1946 to 1948, and 1966 to 1970.
President Lyndon B. Johnson, recovering from surgery, visited by Dr. James Cain, National Naval Medical Center, Bethesda, Maryland, 10/9/1965. Photo # a1500-11 by Yoichi Okamoto. White House Photo Office collection, LBJ Presidential Library, public domain.
LBJ Connection: LBJ’s friend and personal physician; Member, National Advisory Heart Council, National Institutes of Health, National Advisory Committee on Medical Manpower
Cain, James C. (James Clarence), 1913-1992,
Biographical info page,
LBJ Presidential Library,
accessed January 23, 2019,