Armstrong, Neil A. (1930-2012), a United States astronaut. As commander of the spaceship Apollo 11, he was the first human being to set foot on the moon. He was accompanied on the flight to the moon by astronauts Edwin Aldrin and Michael Collins. Armstrong and Aldrin landed on the moon in the lunar module Eagle on July 20, 1969, while Collins orbited the moon in the Apollo's command module, Columbia.

Armstrong was born in Wapakoneta, Ohio. He was a naval aviator, 1949-52, and flew combat missions in Korea. He studied aeronautical engineering at Purdue University, graduating in 1955. In that year he joined the National Aeronautics and Space Administration (NASA) as a research pilot. In 1966 Armstrong was command pilot for the Gemini 8 mission. He left the astronaut corps to serve as an administrator for NASA, 1970-71. He then taught at the college level and later became a business executive.