Helmut Jahn
Jahn, Helmut
Helmut Jahn
American, born Germany, 1940-2021 Helmut Jahn (American, born Germany, 1940-2021) Helmut Jahn 
American, born Germany, 1940-2021 Helmut Jahn (American, born Germany, 1940-2021)
Murphy/Jahn Architects (American, founded 1981)