Longtime Detroit city councilwoman Maryann Mahaffey died early today at Henry Ford Hospital, the Associated Press reports. Mrs. Mahaffey, 81, served on the Detroit City Council for 31 years and retired last year after being diagnosed with leukemia. She was a professor emeritus at the WSU School of Social Work, where she taught from 1965 to 1990. Mrs. Mahaffey was known for her civic activism and for her advocacy on behalf of Detroit's neighborhoods and the poor. WXYZ-TV and WWJ-AM also identified Mrs. Mahaffey as a professor emeritus at WSU.