(1930–2012), American astronaut; full name Neil Alden Armstrong. He commanded the Apollo 11 mission, during which he became the first man to set foot on the moon (20 July 1969).
Definition of Armstrong, Neil in US English:
Armstrong, Neil
proper nounˈärmˌstrôNGˈɑrmstrɔŋ
(1930–2012), US astronaut; full name Neil Alden Armstrong. He commanded the Apollo 11 mission, during which he became the first man to set foot on the Moon (July 20, 1969).