GLENN, John Herschel, Jr., a Senator from Ohio; born in Cambridge, Guernsey County, Ohio, July 18, 1921; educated in the public schools of New Concord, Ohio; graduated, Muskingum College; served in the United States Marine Corps 1942-1965; test pilot; joined the United States space program in 1959, having been selected as one of the original seven Mercury astronauts; in February 1962, became the first American to orbit the Earth; unsuccessful candidate in 1964 to the United States Senate; elected as a Democrat to the United States Senate in November 1974, for the term commencing January 3, 1975; subsequently appointed by the Governor, December 24, 1974, to fill the vacancy caused by the resignation of Howard M. Metzenbaum for the term ending January 3, 1975; reelected in 1980, 1986, and again in 1992 for the term ending January 3, 1999; not a candidate for reelection in 1998; chairman, Committee on Governmental Affairs (One Hundredth through One Hundred Third Congresses); returned to space as payload specialist aboard the Space Shuttle Discovery, October 29 to November 7, 1998.