"Two Prudential Plaza is a 64-story skyscraper that was built in the Loop area of Chicago, Illinois, United States in 1990. At 995 feet (303 m) tall, it is currently the sixth-tallest building in Chicago and the seventeenth-tallest in the U.S..The building was designed by the firm Loebl Schlossman & Hackl, with Stephen T. Wright as the principal in charge of design. It has been honored with 8 awards, including winning the Best Structure Award from the Structural Engineers Association of Illinois in 1995" (wikipedia.org).