“One thing scientists do is to find order among a large number of facts, and one way to do that across fields as diverse as biology, geology, physics and astronomy is through classification.”

American engineer, planetary scientist, and private astronaut

Alan Stern is an American engineer, planetary scientist, and private astronaut. He is best known as the principal investigator of the New Horizons mission to Pluto and as chief scientist at Moon Express. Stern has built a career in space science and exploration, with work that spans engineering, planetary research, and commercial space efforts. He is associated with projects focused on Pluto and the Moon, reflecting an interest in exploration, scientific discovery, and the expanding reach of private spaceflight.