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 F. Keenan (state senator) 1999. On November 4, 2014, Senator Keenan won reelection to a third term which will start in January 2015. Senator Keenan's campaign website shows he is working on pension reform, veterans' affairs, and a reform of the budget. He is advocating for a balanced budget, by reducing spending, while raising taxes. He supports renewable energy, and giving more control, stability, communication, and funding to local communities, cities, and towns. Keenan is a strong advocate for reforms to medical marijuana, saying Massachusetts needs a common sense approach to legalization of medical marijuana. He urged voters to vote "No" on Massachusetts proposition