Helmut Jahn, the architect behind some of America’s best-known buildings, has died in a bicycle accident aged 81.Helmut Jahn, the architect behind some of America’s best-known buildings, has died in a bicycle accident aged 81.
Helmut Jahn, the architect behind some of America’s best-known buildings, has died in a bicycle accident aged 81.Helmut Jahn, the architect behind some of America’s best-known buildings, has died in a bicycle accident aged 81.