Quick Facts
| City | Chicago |
| Country | United States of America |
| Year | 1984 - 1988 |
| Floors | 30 |
| Height | 132.6 m / 435 ft |
| Surface | 51 097 m² / 550 000 ft² |
Realization
| Architect |
Perkins and Will (Ralph Johnson) |
| Developer |
Rubloff |
Building Info
| Address | 123 North Wacker Drive |
| Style |
Postmodernism |
| Status | Completed |