Helmut Jahn — German Architect born on January 04, 1940,
Helmut Jahn is a German-American architect, well known for designs such as the US$800 million Sony Center on the Potsdamer Platz, Berlin, the Messeturm in Frankfurt and the One Liberty Place, formerly the tallest building in Philadelphia, and Suvarnabhumi Airport, an international airport in Bangkok, Thailand... (wikipedia)