Fifty years ago Monday John Glenn became the first American to orbit the earth. February 20, 1962.
Astronaut John Glenn First American to Orbit Earth Newsreel PublicDomainFootage.com - YouTube

John Glenn: Images of a Hero's Life on the 50th Anniversary of His Historic Flight - Photo Essays - TIME

And he flew 36 years later in the Space Shuttle.

S/F Colonel.

Glenn & Scott Carpenter are the only two Mercury Astronauts still living.