A chemical engineer with Jacobs Engineering and resident of Baton Rouge, he died at 7:50 p.m. Friday, Aug. 16, 1996, at Baylor Medical Center, Dallas. He was 49. He was an active member of the Apalachicola Creek Indians at the Town Square Ground in Tallahassee, Fla. At his request, his body was donated to Baylor Medical Center. A service will be held at the Square Ground in Tallahassee in November. Survived by mother, Grace Hyfield, Winter Park, Fla.; two daughters, Amy and Emily Hyfield; a son, James Hyfield; and two sisters, Debbie Hyfield Parrish, Winter Park, and Cindy Hyfield Meigs, Aurora, Colo. Preceded in death by father, Clarence Hyfield.