the inland steel building, located at 30 w. monroe street in chicago is one of the city's defining commercial high-rises of the post-world war ii era of modern architecture. it was built in the years 1956–1957 and was the first skyscraper to be built in the chicago loop following the great depression of the 1930s. its principal designers were bruce graham and walter netsch of the skidmore, owings &amp; merrill architecture firm.