No. 80-2749. Argued May 26, 1981. Decided August 26, 1981. James T. Fitzgibbon, Fitzgibbon, Roehrig, Greenawalt Gilhooly, Chicago, Ill., for plaintiff-appellant. Michael A. Reiter, Katten, Muchin, Zavis, Pearl, Chicago, Ill., for defendants-appellees. Appeal from the United States District Court for the Northern District of Illinois. Before SWYGERT, Senior Circuit Judge, and SPRECHER, Circuit Judge, and and THOMAS, Senior District Judge. At the time of oral argument Judge Swygert was a circuit judge