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
Otis F. Glenn Otis F. Glenn Otis Ferguson Glenn (August 27, 1879March 11, 1959) was a Republican United States Senator from the State of Illinois. He was born in Mattoon, Illinois on August 27, 1879. After graduating from law school in 1900 from the University of Illinois at Urbana-Champaign, he began practicing law in Murphysboro. He served as the State's Attorney for Jackson County from 1906 to 1908 and again from 1916 to 1920 when he was elected to the State Senate, serving there until 1924. In 1928, when Frank L. Smith abandoned his efforts to take the U.S. Senate seat he had