John Herschel Glenn Jr. was born on July 18, 1921 in Cambridge, Ohio. He was named after his father John Glenn Sr. John Glenn Sr. had fought in France during World War I, and his hearing had been impaired as a result of the fighting. After the war he started a plumbing business and managed to make a comfortable living for himself and his family. John’s mother Clara Sproat Glenn wanted a large family, two of …showed first 75 words of 2986 total…

…showed last 75 words of 2986 total…the elderly. He had noticed that the physical effects of aging parallel many of the effects of weightlessness and spaceflight. He proposed to NASA that he return to space to study those effects firsthand. NASA considered Glenn’s request for more than a year. On January 16, 1998, NASA made the official announcement: John Glenn would be aboard Discovery. Bibliography Vol. 12 Encyclepedia Americana 1997. Peggy Saari and Daniel Baker. Explorers and Discoverers Vol. Ch-He. Http://www.worldbook.com