Robin Williams will receive a career achievement award at the annual summer gala of the Chicago Intl. Film Festival, skedded for July 17. Event will be emceed by A&E network anchor Bill Kurtis.Past recipients of the fest's award include Francois Truffaut, Orson Welles, Jack Lemmon, Tom Cruise, Jodie Foster, Sigourney Weaver and Clint Eastwood