Born in Mississippi. Served in the Army Air Corps during WW II. Attended Colorado College. Married to Catherine with two daughters. He served on the city council for Colorago Springs in 1951, as vice mayor 1957 to 1959 and as mayor 1959 to 1963. He was the founder and past president of Pikes Peak National Bank.

Served as ANA treasurer 1967 to 1984. He was responsible for arranging a lease for the ANA headquarters. Received the ANA Medal of Merit in 1971 and Farran Zerbe Memorial Award in 1978. He was named a Numismatic News Numismatic Ambassador in 1975. In 2012 he was inducted into the ANA Numismatic Hall of Fame.

Henderson collected Colorado memorabilia and was a frequent speaker on Colorado history and numismatics. He had the finest known collection of Lesher dollars.

The Henderson Supper Club is an informal group of numismatists in Colorado Springs named for Henderson.

He died in Colorado Springs.

obit: NUM 102 Aug 1989 page 1334