|Country||United States of America|
|Year||1962 - 1965|
|Height||144.8 m / 475 ft|
|Surface||76 655 m² / 825 111 ft²|
Skidmore, Owings & Merrill
|Address||69 West Washington Street|
- Fazlur Kahn designed a concrete tube structure for this building, a concept he would later use on the John Hancock Center and Sears Tower.
- On October 17, 2003 six people were killed in a fire on the 12th floor.