Olympic Tower glitterati of that time. The planned use of the building was a groundbreaking concept at that time because it was the first mixed use zoned for Fifth Avenue, which had 21 floors of offices, 30 of condominiums and high-end retail on the first floor. It was constructed by shipping magnate Aristotle Onassis and his company, Victory Development, in joint venture partnership with Arlen Realty & Development Corporation. Olympic Tower was designed by the architectural firm of Skidmore, Owings and Merrill, notable for designing Willis Tower, the former Sears Tower and John Hancock Center in Chicago, among many other high-rise buildings
Grant Thornton Tower Grant Thornton Tower Grant Thornton Tower (formerly Chicago Title & Trust Center, 161 North Clark and sometimes Chicago Title Tower) is an office tower located in Chicago designed by the firm Kohn Pedersen Fox Associates. Before completion in 1990 the twin tower design was awarded The Chicago Athenaeum's "Best Building" Architecture Award, the award was received by one of the lead designers Kevin Flanagan. (view PLP Architects). The fifty-storey building rises 756 feet (230 m) in the Loop and was completed in 1992, on the site of Chicago's Greyhound Bus Station. Previously, a structure at 111 West Washington was known