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John Glenn - Wikipedia
John Glenn | Biography, Accomplishments, & Facts | Britannica
John H. Glenn - NASA
John Glenn - Career, Quotes & Life - Biography
60 Years Ago: John Glenn, the First American to Orbit the ...
John Glenn: 1st American to Orbit Earth, Oldest Man in Space
Biography of John H. Glenn - NASA
John Glenn, the first American to orbit the Earth, dies at 95
John Glenn, the 1st American to orbit Earth, dies at age 95
John Glenn, Pioneering Astronaut, Dies at Age 95