Daniel Goodwin, 'Spider Dan,' climbs past the 83rd floor on his way to the top of the Sears Tower, 233 South Wacker Drive, Chicago, Illinois. Goodwin, who used suction cups for climbing, was arrested when he made it to the top. Dated 1981-05-25. Photographed by Richard Derk for Chicago Sun-Times. Visit CHM Images to purchase and download a digital file and explore other Chicago Sun-Times images.