Armstrong Neil Alden

Armstrong

, Neil Alden 1930-2012.
American astronaut who as commander of Apollo 11 became the first person to walk on the moon (July 20, 1969).
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.