Granville C. Henry is Professor of Mathematics and Philosophy at Claremont McKenna College, Claremont, CA, 91711. He is the author of Forms of Concrescence: Alfred North Whitehead’s Philosophy and Computer Programming Structures (Bucknell University Press, 1993).
Robert J. Valenza is W. M. Keck Professor of Mathematics and Computer Science at Claremont McKenna College. He is the author of Linear Algebra: An Introduction to Abstract Mathematics (Springer-Verlag, 1993).