FOSTER MARGARET J. Age 81, Died July 20, 1994. Beloved wife of the late E. Bruce Foster, M.D.; dear mother of Judith Corbett, Mary Joan Earp, Deborah Foster and Robert Foster; grandmother of Lisa, Dan and Chris Corbett, Cathy Righettini, Tracey Peterson, Tricia and Lee Ann Earp, Lesile and Elane Foster; three great grandchildren, Erin and Kelly Peterson and Lauren Righettini. Memorial service at St. Theodore Church, 8200 N. Wayne Rd., Westland, Friday July 22, 10 a.m. Memorials to American Heart Assoc. app.