Killings, a dentist, is a well-known civic personality. He has served as president of the Akron-Summit Public Library board of trustees, as vice president of the West Side Neighbors and with the Frontiers Club, the Akron Community Service Center, the Urban League and the NAACP. But he is also remembered for his exploits on the football field. He was captain of the football team at Central High in Akron in 1938. From Central he went on to star at Florida A&M. With the Rattlers, Killings started at both offensive and defense end. He was the captain of the 1942 squad that finished 11-0, receiving All-American honorable mention.