James Alfred, 1914–2006, U.S. physicist and space scientist.
British Dictionary definitions for Van Allen
Van Allen
/væn ˈælən/
noun
1.
James Alfred. 1914–2006, US physicist, noted for his use of satellites to investigate cosmic radiation in the upper atmosphere
Word Origin and History for Van Allen
name of radiation belts around the Earth (and certain other planets), 1939, from U.S. physicist James A. Van Allen (1914-2006), who reported them in 1958.