The Everett McKinley Dirksen United States Courthouse, commonly referred to as the Dirksen Federal Building, is a skyscraper in the Chicago Loop at 219 South Dearborn Street. It was designed by Ludwig Mies van der Rohe and completed in 1964. The building is 384 feet tall with 30 floors; it was named for U.S. Congressman Everett Dirksen. From Wikipedia
