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 Black (U.S. senator) ran for the seat in his own right as an anti-Jacksonian (later Whig) and served from November 22, 1833 to January 22, 1838, when he resigned. During his time in office, he served as the chairman of the U.S. Senate Committee on Private Lands. After leaving the Senate, he moved to Winchester, Virginia, where he resumed practicing law until his death. John Black (U.S. senator) John Black (August 11, 1800 – August 29, 1854) was a politician from the U.S. state of Mississippi, most notably serving in the United States Senate as a Whig from 1832 to 1838. Black was