

He became fascinated by flight, and built model airplanes from balsa wood kits. He first flew in an airplane with his father when he was eight years old. The two would not be able to recall a time when they did not know each other.

was only a toddler when he met Anna Margaret (Annie) Castor, whom he would later marry. The family moved to New Concord, Ohio, soon after his birth, and his father started his own business, the Glenn Plumbing Company. His parents had married shortly before John Sr., a member of the American Expeditionary Force, left for the Western Front during World War I. (1895–1966), who worked for a plumbing firm, and Clara Teresa Glenn ( née Sproat 1897–1971), a teacher. was born on July 18, 1921, in Cambridge, Ohio, the son of John Herschel Glenn Sr. Glenn, both the oldest and the last surviving member of the Mercury Seven, died at the age of 95 on December 8, 2016. Aged 77, Glenn flew on Space Shuttle Discovery 's STS-95 mission, making him the oldest person to enter Earth orbit, and the only person to fly in both the Mercury and the Space Shuttle programs. A member of the Democratic Party, Glenn was first elected to the Senate in 1974 and served for 24 years, until January 1999.

Glenn resigned from NASA in January 1964. Astronaut Hall of Fame in 1990, and received the Presidential Medal of Freedom in 2012. He received the NASA Distinguished Service Medal in 1962, the Congressional Space Medal of Honor in 1978, was inducted into the U.S. On February 20, 1962, Glenn flew the Friendship 7 mission, becoming the first American to orbit the Earth, the third American and fifth person in history to be in space. He was one of the Mercury Seven, military test pilots selected in 1959 by NASA as the nation's first astronauts. Various NASA video clips of John Glenn through the years.
