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 (judge) served on the court until his death. Glenn purchased and expanded his brothers slave farm estate Hilton near Catonsville, Maryland in 1842. He entertained Robert E. Lee as a guest several times and lived there until his death. The estate is currently part of the Community College of Baltimore County, with the majority of the original property subdivided for housing developments. John Glenn (judge) John Glenn (October 9, 1795 – July 8, 1853) was a Maryland attorney and federal judge. Born in Elkton, Maryland, Glenn read law to enter the bar in 1817. He was in private practice in Baltimore,