Norman C. Stewart was born on March 3, 1917, the son of Katie D. Stewart. He had two brothers, Sander and Mervin. Stewart enlisted in the United States Navy before April 1942, and worked in a laboratory at the United States Naval Hospital in Newport, Rhode Island. In 1943 and 1944, he trained at Alameda, California, and at the hospital corps school in Portsmouth, Virginia. He served in the Pacific Theater in 1945, assisting with air evacuations from and between overseas and domestic bases, and was discharged in October.
Stewart married Dorothy H. Seltzer of Norristown, Pennsylvania, in the spring of 1943, and the couple had two daughters: Beth and Nancy. He died on April 6, 2008.