Scott Carpenter, 1925-2013
Malcolm Scott Carpenter (born May 1, 1925) was an American test pilot, astronaut and aquanaut. He is best known as one of the original seven astronauts selected for NASA's Project Mercury in April 1959. Carpenter was the second American to orbit the Earth and the fourth American in space, following Alan Shepard, Gus Grissom and John Glenn. Glenn is the last living member of the Mercury Seven.
John Glenn (born July 18, 1921) is a retired United States Marine Corps pilot, astronaut, and United States senator. He was the first American to orbit the Earth and the fifth person in space, after cosmonauts Yuri Gagarin and Gherman Titov and fellow Mercury Seven astrononauts Alan Shepard and Gus Grissom. Glenn one of the Mercury Seven, who were the elite U.S. military test pilots selected by the NASA to operate the experimental Mercury spacecraft and become the first American astronauts.