[van al-uh n]
James Alfred,1914–2006, U.S. physicist and space scientist.
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James Alfred. 1914–2006, US physicist, noted for his use of satellites to investigate cosmic radiation in the upper atmosphere
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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.
Online Etymology Dictionary, © 2010 Douglas Harper