In 1987 Spear was part of a 70-member surgical team that successfully separated Siamese twins joined at the head. He has authored several chapters in textbooks of pediatric anesthesia and pediatric intensive care, and was the first anesthesiologist to use epidural anesthesia for surgery in awake premature infants. Spear, a 1980 graduate of the Southern Illinois University Medical School, came to IWU from his native Quincy and was a four-year starter on the Titan basketball teams from 1973-77. He was honored as a GTE Academic All-American in basketball in 1975,1976, and 1977, was an all-College Conference of Illinois and Wisconsin selection in 1975 and 1977, and is a member of the Quincy High School Hall of Fame. In May, Spear married Janet Lynn Nutt of San Diego and they reside in Coronado, Cal.