Question

When was James Alfred Van Allen professor of physics at the University of Iowa?
a) 1951-1985
b) 1942-1946
c) 1946-1950
d) 1988-1998

Answer 1

James Alfred Van Allen, (born Sept. 7, 1914, Mount Pleasant, Iowa, U.S.—died Aug. 9, 2006, Iowa City, Iowa), American physicist, whose discovery of the Van Allen radiation belts, two zones of radiation encircling Earth, brought about new understanding of cosmic radiation and its effects on ...