| Date and Place of Birth: | Nov. 16,1898 in Orange, New Jersey. Son of James W. and Mary Hughes (Bradley) McCulloch |
| Marriage: | Rook Metzger (May 29,1924). Children: Taffy, Mary Jean, David, and George Duncan |
| Degrees and Institutions: | Haverford College: 1919-1920; Yale University—B.A.: 1920-1921; Naval Reserve (at Yale): 1920-1921; Columbia University—M.A.: 1923; Columbia University—M.D.; 1927 |
| Positions Held: | |
| 1927-1928 | Neurological Service, (Intern & Resident) Bellevue Hospital, 2nd Division |
| 1928-1930 | Neurosurgical Laboratory and Department of Neurology (on experimental epilepsy) Columbia University |
| 1930-1931 | Laboratory of Experimental Neurology, Dr. F. Kennedy's service (on head injuries) Bellevue Hospital, New York City |
| Instructing in Physiological Psychology Seth Low Junior College | |
| 1931-1932 | Graduate work in Mathematical Physics New York University |
| 1932-1934 | Resident (on admission service) Rockland State Hospital, Orangeburg, NY |
| 1934-1941 | Laboratory of Neurophysiology (on activity of the central nervous system) Yale University |
| 1934-1935: Honorary Research Fellow, (Laboratory of Professor Dusser de Barenne) | |
| 1935-1936: Sterling Fellow | |
| 1936-1940: Instructor | |
| 1940-1941: Research Assistant (rank of Assistant Professor) | |
| 1941-1952 | Director of the Laboratory of Basic Research, Neuropsychiatrie Institute, Department of Psychiatry, College of Medicine University of Illinois |
| 1941-1945: Associate Professor of Psychiatry | |
| 1945-1947: Professor of Psychiatry | |
| 1947-1952 Professor of Psychiatry and Clinical Professor of Physiology | |
| 1952-1969 | Staff Member, Research Laboratory of Electronics, Massachusetts Institute of Technology Cambridge, Massachusetts |
| 1965 | Made a Kentucky Colonel |
| 1965 | Honorary Doctorate of Science, University of Illinois |
| 1963-1969 | Consultant to the Office of the President (J.F. Kennedy) on Science and Technology |