John Glenn was the first NASA astronaut as well as the oldest man to travel space. He was the first American in the U.S. space program to orbit the Earth in 1962. He was highly skilled and dedicated person who ruled every field he ventured into.
Glenn was also an American Senator from Ohio as a member of the Democratic Party. He was a decorated fighter pilot during World War II and the Korean conflict with eighteen clusters and five Distinguished Flying Crosses, before joining NASA.