HIGH-Q – World-renowned physicist Stephen Hawkings provides his own voice when Lisa joins the local MENSA chapter on the ÒThey Saved LisaÕs Brain” episode of THE SIMPSONS Sunday, May 9 (8:00-8:30 PM ET/PT) on FOX. Image must include Matt Groening signature and copyright. CANNOT REPRODUCE WITHOUT THE SIMPSONS TM & ©1999 20TH CENTURY FOX FILM CORP. ALL RIGHTS RESERVED CR: FOX 4992 THE SIMPSONS: