Mary Hatfield Emeritus Professor, Emeritus College hatfield@asu.edu Phone: 480-965-6067 EDUC - I. D. PAYNE EDUC HALL TEMPE, AZ 85287 Biography Research Teaching Previous Next Research Activity Hatfield,Mary C. ASU-COE IBM PROPOSAL. IBM(5/23/1990 - 12/31/1994). Presentations