John Glenn Quotes
Too many people, when they get old, think that they have to live by the calendar.
Citations
Glenn, John. Post-flight Press Conference. National Aeronautics and Space Administration, 7 Nov. 1998.
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John Herschel Glenn Jr. was a United States Marine Corps aviator, engineer, astronaut, businessman and politician. He was the third American in space, and the first American to orbit the Earth, circling it three times in 1962. Following his retirement from NASA, he served from 1974 to 1999 as a Democratic United States Senator from Ohio; in 1998, he flew into space again at age 77.