MAA Writing Awards
Year of Award: 1972
Publication Information: The American Mathematical Monthly, vol. 78, 1971, pp. 10-36
About the Author: (from The American Mathematical Monthly, vol. 78, (1971)) W.J. Ellison took his B.A. at Cambridge University and is continuing work there for a Ph.D. under Prof. J.W.S. Cassels. He spent 1969-70 at the University of Michigan with D.J. Lewis.