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
State senator State senator A state senator is a member of a state's senate, the upper house in the bicameral legislature of 49 U.S. states, or a legislator in Nebraska's one-house state legislature. There are typically fewer state senators than there are members of a state's lower house. In the past, this meant that senators represented various geographic regions within a state, regardless of the population, as a way of balancing the power of the lower house, which was apportioned according to population. This system changed in 1963, when the Supreme Court of the United States ruled that state legislatures must apportion