Jay Clark Buckey, Jr., is an American physician and astronaut who flew aboard one space shuttle mission (STS-90) as a Payload Specialist, Buckey withdrew from the race when which former Governor, from New Hampshire, entered the race?
Jeanne Shaheen Cynthia Jeanne Shaheen (née Bowers; January 28, 1947) is the senior United States Senator from New Hampshire, since 2009.
Buck McKeon Howard Philip "Buck" McKeon (born September 9, 1938) is a former U.S. Representative, serving from 1993–2015. He is a member of the Republican Party. He was a former chairman of the House Armed Services Committee.