The renovation was completed in 1998 by Helmut Jahn, replacing the largely concrete exterior with a glass one.
The 31-story Oakbrook Terrace Tower in Oakbrook Terrace, designed by Helmut Jahn, is the tallest building in Illinois outside of Chicago.
On October 26, 2012, Helmut Jahn renamed Murphy/Jahn to simply JAHN and announced that he will share design leadership at the firm with architect Francisco Gonzalez Pulido, a partner and president of JAHN.
The new wing, called the Joe and Rika Mansueto Library, designed by Chicago-based architect Helmut Jahn opened to the public on May 16, 2011.
The architect of the hotel is German-born Helmut Jahn of the Chicago based Murphy/Jahn Architectural Group.
Oakbrook Terrace Tower, an octagonal 31-story office building, was designed by Helmut Jahn and built in 1987.
This building was adjoined by an extension in 2000, called Terminal 2, which has been planned by German-American architect Helmut Jahn.
Rouse was the developer of One Liberty Place, designed by Helmut Jahn, the first structure in Philadelphia to exceed the traditional height limitation established by the top of the statue of William Penn atop Philadelphia City Hall.
Helmut Lachenmann | Helmut Kohl | Helmut Newton | Helmut Schmidt | Helmut Jahn | Helmut Reichelt | Jahn | Helmut Berger | Friedrich Ludwig Jahn | Helmut Werzer | Helmut Oehring | Helmut Lang | Helmut Käutner | Otto Jahn | Jahn Teigen | Helmut Zahn | Helmut Reichmann | Helmut Krone | Helmut Grunsky | Helmut Benthaus | Johann Jahn | Jahn–Teller effect | Helmut Sonnenfeldt | Helmut Schwarz | Helmut Schreyer | Helmut Rahn | Helmut Oberlander | Helmut Michel | Helmut Metzner | Helmut Markwort |