U. S. Army veteran. Mathematican. Professor Emeritus of Mathematics, University of New Hampshire, where he was on the faculty from 1993 to 2002; prior to that, Professor Appel was at the University of Illinois-Urbana-Champaign from 1961 to 1993. PhD, University of Michigan, 1959 (Thesis:Two Investigations on the Borderline of Logic and Algebra). Published: Table for Estimating Functions of Primes (co-author, 1961); Contributions to Group Theory (co-author, 1984); and, Every Planar Map is Four Colorable (co-author, 1989). Kenneth Ira Appel was noted for his work with Wolfgang Haken (1928-) in proving the four color conjecture mapping problem. Fellow of the American Mathematical Society.
U. S. Army veteran. Mathematican. Professor Emeritus of Mathematics, University of New Hampshire, where he was on the faculty from 1993 to 2002; prior to that, Professor Appel was at the University of Illinois-Urbana-Champaign from 1961 to 1993. PhD, University of Michigan, 1959 (Thesis:Two Investigations on the Borderline of Logic and Algebra). Published: Table for Estimating Functions of Primes (co-author, 1961); Contributions to Group Theory (co-author, 1984); and, Every Planar Map is Four Colorable (co-author, 1989). Kenneth Ira Appel was noted for his work with Wolfgang Haken (1928-) in proving the four color conjecture mapping problem. Fellow of the American Mathematical Society.
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