LifestyleStar architect Helmut Jahn turns 7504:36This browser does not support the video element.Lifestyle01/03/2015January 3, 2015He built the Frankfurt trade fair tower, the Berlin Sony Center and the Veer Towers in Las Vegas. Helmut Jahn is considered one of the most successful German architects. On January 4, he marks his 75th birthday.Copy linkAdvertisement
