The JHB was known as the “Plywood Skyscraper” after having faulty glass windows that would pop out during it’s construction in the 1970s.

Police were left closing off surrounding streets whenever winds reached 45 mph

Also interesting description of two 300-ton weights that sit on the 58th floor to damp swaying motions.

via wikipedia. Researched due to an article today about MIT suing Frank Gehry over the Stata Center.