Louis Arthur Fourcher, Ph.D., Psychologist, 75. Doting father of Michael (Teresa) Fourcher, grandfather of Nicolas Fourcher. Devoted son of Pauline and Charles Fourcher; dear brother of Charlene Fourcher Carle. Thinker, photographer, activist and student of humanity. Open memorial service and repast on January 27 at 2:30 p.m., First Unitarian Church, 5650 S. Woodlawn Ave. in Chicago. In lieu of flowers, please make contributions to The CORE Foundation , 2020 W. Harrison St., Suite 2-200, Chicago, IL 60612, (312) 572-4764.  Arrangements by Nelson Funeral Home 847-823-5122 or www.nelsonfunerals.com