Gilbert Vinton Hallock was born on 23 October 1925 in Worcester, Massachusetts. His parents were Robert Palmer Hallock, Sr. (1894-1956) and Mildred Estelle Amidon Hallock (1895-1985); he had one sibling, Robert Palmer Hallock, Jr. (1916-1993). In 1953 Gilbert Vinton Hallock married Eleanor Marion Sjogren (1927-2014) who also lived in Worcester and was a member of the same church, First Baptist Church of Worcester. They had three children: Peter B. (1954-1987), Candyce (b. 1958), and Jason P. (b. 1959).
Gilbert Vinton Hallock enlisted in the U.S. Army Air Corps on 30 November 1943 at Fort Devens, Massachusetts; attended University of Tennessee under the USAAC Aviation Cadet program (63rd College Training Detachment, Aircrew) and at the Army Airfield in Columbus, Misssissippi in 1944; served as navigator, and received honorable discharge in 1945.
His education after the war included an A.B. Harvard University, 1950; and an M.D. Tufts University, 1954.
He reenlisted in U.S. Air Force Reserve in 1950, serving as administrative, personnel, and information officer in numerous positions at Flight, Squadron, Group, and Wing Headquarters' levels with the Continental Air Command and Strategic Air Command. Graduate of Defense Information School, Air Command and Staff College, Industrial College of the Armed Forces and Extension Course Institute, Air University. Served as USAF Medical Services liaison officer to University of Massachusetts School of Medicine, Worcester, Mass. Was special assistant to the Air Force Surgeon General, Washington, DC, from 1966-1972. Served as deputy chief 1972-1973, and chief 1973-1974, Office of Secretary of Air Force in the Pentagon.
He retired in 1985 with rank of colonel, after serving more than 37 years in the military. Awarded the Air Force Outstanding Unit Award, Army Good Conduct Medal, American Defense Service Medal, American Campaign Medal, WWII Victory Medal, National Defense Service Medal, Air Force Longevity Service Award, Armed Forces Reserve Medal with Hour Glass (2), Reserve Officers Association of the United States, and Association of Military Surgeons of the U.S.
His medical career included corporate physician, medical director and director of Professional Services, Astra Pharmaceutical Products, Inc., Miles Laboratories, Lederle Laboratories Division and American Cyanamid Company. He died 26 November 2003 in Worcester, and was buried in Arlington National Cemetery.