http://earthsky.org/space/this-date-in- ... rbit-earthTHIS DATE IN SCIENCE
February 20, 1962. John Glenn became the first American to orbit the Earth on this date. He made three turns around the planet before returning safely in his space capsule, which was called Friendship 7.
... Glenn returned to space at age 77 aboard the space shuttle Discovery in 1995, making him the oldest person to fly in space.
John Glenn's biography at NASA