Jahn was born in 1940 in Nuremberg. He is a German-American architect, and is the designer of many buildings around the world.
From 1960 to 1965 he studied at the Technical University of Munich, continued his architectural studies in Chicago at the Illinois Institute of Technology and left University without a degree. In 1967 he joined C. F. Murphy Associates.
The change into Murphy/Jahn was in 1981.

Important works

Kemper Arena, Kansas City, Missouri
Auraria Learning Resources Center, Auraria Higher Education Center, Denver, Colorado
Saint Mary's College Athletic Facility, South Bend, Indiana(pictures)
Xerox Center (55 West Monroe), Chicago, Illinois
First Source Centre, South Bend, Indiana[5]
11 Diagonal Street, Johannesburg, South Africa[6]
O'Hare 'L' Station, O'Hare International Airport, Chicago, Illinois
362 West Street, Durban, South Africa
Oakbrook Terrace Tower, Oakbrook Terrace, Illinois
Park Avenue Tower, New York, New York
425 Lexington Avenue, New York, New York
United Airlines Terminal 1 at O'Hare International Airport, Chicago, Illinois
One Liberty Place, Philadelphia, Pennsylvania
Cityspire, New York, New York
Wilshire/Westwood, Los Angeles, California
Bank of America Tower, Jacksonville, Florida
Two Liberty Place, Philadelphia, Pennsylvania
Messeturm, Frankfurt, Germany
Hitachi Tower, Singapore[13]
Caltex House, Singapore
Hotel Kempinski, Munich, Germany
Kurfürstendamm 70, Berlin, Germany
RCID Administration Building, Orlando, Florida
Generale Bank Nederland, Rotterdam, The Netherlands
European Union Headquarters, Brussels
Munich Airport Center, Germany
Sony Center Berlin, Germany
Cologne Bonn Airport, Cologne (Köln), Germany
HA•LO Headquarters (presently the headquarters of Shure), Niles, Illinois
Neues Kranzler Eck, Berlin, Germany
Kaufhof Galeria, Chemnitz, Germany
Shanghai International Expo Centre, Shanghai, China
Bayer AG Konzernzentrale[14], Leverkusen, Germany
Deutsche Post Tower, Bonn, Germany
IIT Student Housing, Chicago, Illinois
Highlight Munich Business Towers, Munich, Germany
Horizon Serono, Geneva, Switzerland
Suvarnabhumi Airport, Bangkok, Thailand
600 North Fairbanks, Chicago, IL USA
Thompson Center, Chicago, Illinois

 

Awards

Ten Most Influential Living American Architects,  1991
Outstanding Achievement/Architect Award, 1993
Bundesverdienstkreuz Erster Klasse,1994
Institute Honour Award of the American Institute of Architects for the Sony Center, 2002
Murphy/Jahn, Inc. recipient of the AIA Architecture Firm Award, 2002