John Glenn of the Mercury Seven. Glenn resigned from NASA in January 1964. He planned to run for a U.S. Senate seat from Ohio, but an injury in February 1964 forced his withdrawal. He retired from the Marine Corps the following year. He lost a close primary election in 1970. A member of the Democratic Party, Glenn first won election to the Senate in 1974 and served for 24 years until January 1999. In 1998, while still a sitting Senator, Glenn flew on the "Discovery" space shuttle's STS-95 mission, and became the oldest person to fly in space and the only person
John Glenn Beall Jr. John Glenn Beall Jr. John Glenn Beall Jr. (June 19, 1927March 24, 2006), known as J. Glenn Beall Jr., was a Republican member of the United States Senate, representing the State of Maryland 1971–1977. He was also a member of the Maryland House of Delegates from 1962 to 1968, and the U.S. House of Representatives from the sixth district of Maryland from 1969 to 1971. His father, James Glenn Beall, was also a senator and representative from Maryland. Beall was born in Cumberland, Maryland, served in the United States Navy from 1945 to 1946, and graduated from Yale University in