In 1998 at the age of 77 who became the oldest person to fly in space?
John Herschel Glenn John Glenn, Jr. John H. Glenn John H. Glenn Jr. John Glrnn John Glenn John Glenn Junior J H Glenn John Herschel Glenn Jr. John Herschel Glenn, Jr. Glenn, Jr., John Herschell John Herschell Glenn, Jr. John H. Glenn, Jr.