John Hershall Glenn

John   (July 18, 1921 – December 8, 2016) was an American aviator, engineer, astronaut, and United States Senator from Ohio. In 1962 he became the first American to orbit the Earth, circling three times.He was one of the “Mercury Seven” group of military test pilots selected in 1959 by NASA to become America’s first astronauts…John Herschel Glenn Jr. (July 18, 1921 – December 8, 2016) was an American aviator, engineer, astronaut, and United States Senator from Ohio. In 1962 he became the first American to orbit the Earth, circling three times.He was one of the “Mercury Seven” group of military test pilots selected in 1959 by NASA to become America’s first astronauts.