ONE SMALL STEP FOR MAN, ONE GIANT LEAP FOR MANKIND___A Tribute to Neil Armstrong___Neil Alden Armstrong (August 5, 1930 – August 25, 2012) was an American astronaut and the first person to walk on the Moon. He was also an aerospace engineer, U.S. Navy pilot, test pilot, and university professor. Before becoming an astronaut, Armstrong was a United States Navy officer and served in the Korean War. After the war, he served as a test pilot at the National Advisory Committee for Aeronautics High-Speed Flight Station, now known as the Dryden Flight Research Center, where he logged over 900 flights. He graduated from Purdue University and completed graduate studies at the University of Southern California.