Hi All, My son called and said that Nigel's daughter told him that Nigel died. Nigel suffered a severe stroke a couple of days ago and did not recover. It is a devastating loss for all of us. Elias Elias Saab, Emeritus Professor Department of Mathematics 202 Math Science Building University of Missouri-Columbia Columbia, MO 65211 Phone (Office) 573-884-0621 e-mail elias@math.missouri.edu http://saab.org