The Richard J. Daley Center, also known by its open courtyard Daley Plaza and named after longtime mayor Richard J. Daley, is the premier civic center of the City of Chicago in Illinois. The Center's modernist skyscraper primarily houses offices and courtrooms for the Cook County Circuit Courts. It is adjacent to the Chicago City Hall and County Building. The open granite paved plaza used for gatherings, protests, and events is also the site of the Chicago Picasso, a gift to the city from the artist. Situated on Randolph and Washington Streets between Dearborn and Clark Streets, the Richard J. Daley Center is considered one of Chicago's architectural highlights. The main building was designed in the International Style of the Second Chicago School by Jacques Brownson of the firm C. F. Murphy Associates and completed in 1965. At the time it was the tallest building in Chicago, but only held this title for four years until the John Hancock Center was completed. Originally known as the Chicago Civic Center, the building was renamed for Mayor Daley on December 27, 1976, seven days after his death. The , thirty-one story building features Cor-Ten, a self-weathering steel. Cor-Ten was designed to rust, actually strengthening the structure and giving the building its distinctive red and brown color. The Daley Center has 30 floors, and is the tallest flat-roofed building in the world with fewer than 40 stories (a typical building would have 50-60 stories). Building features The Richard J. Daley Center houses more than 120 court and hearing rooms as well as the Cook County Law Library, offices of the Clerk of the Circuit Court, and certain court-related divisions of the Sheriff's Department. The building also houses office space for both the city and Cook County, of which the City of Chicago is its seat of government. The windows are cor-ten steel and bronze/white tinted. Daley Plaza Daley Plaza is the courtyard adjacent to the building, occupying the southern half of the block occupied by the building. The plaza is dominated by an untitled Cor-ten steel sculpture by Pablo Picasso (usually called "The Picasso"). Completed in 1967, it was a gift to the City of Chicago from the artist. Though controversial for its abstract form, it quickly became a Chicago landmark. The plaza also features an in-ground fountain and an eternal flame memorial to the dead from World War I, World War II,