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) 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 born in Massachusetts, and became a teacher. He then moved to Louisiana, where he practiced law. After moving to Mississippi, he was elected a judge in 1826, eventually being elected to the Mississippi Supreme Court. In 1832, Governor Charles Lynch appointed him as a Jacksonian, the forerunner of the modern Democratic Party, to fill the vacancy left by Powhatan Ellis. He