Chattanooga, October 12, 1996. Remarkable Learning, NeXT Meeting, Atlanta, July 30, 1997. The Gap Between Theory and Practice, RUMEC Conference, Mt. Michigan, September 4, 1997. concrete Society Meeting, October 2, 1997. Section, Georgia Luncheon Address, February 7, 1998. sold Address, March 28, 1998. NSF Workshop, Atlanta G, May 8, 1998. Bogota, Columbia, July 6-10, 1998. Monterey, Mexico, separation; December 18, 1998. Kent State Conference Keynote.