Private First Class Richardson was a member of Company A, 1st Battalion, 19th Infantry Regiment, 24th Infantry Division. He was taken Prisoner of War while fighting the enemy in South Korea on January 1, 1951. He was presumed dead on January 14, 1954. PFC Richardson's name is permanently inscribed on the Courts of the Missing at the Honolulu Memorial. His remains were recovered and identified in 2014.