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
Elgin Tower Building 1999 to showcase its architectural merit. Stickling died later that year, but his benefactors transferred the building to the William R. Stickling Charitable Foundation, who currently maintain the building. An addition was built in 1999 to house, rent-free, the Downtown Neighborhood Association, who intend to revitalize the downtown area. The tower was added to the National Register of Historic Places on May 22, 2002. The Elgin Tower Building is located at 100 E. Chicago St. in Elgin, between Douglas and N. Grove Avenues. This area has historically been known as Fountain Square, generally accepted as the downtown area of Elgin.