Matthew Bronski, P.E., is an Associate Principal with Simpson Gumpertz & Heger, and SGH's nationwide Practice Leader for Preservation Technology. He has studied the lessons of long term durability on buildings of antiquity and has led SGH's projects on numerous mid-century modernist icons, including buildings designed by Philip Johnson, Paul Rudolph, Eero Saarinen, Josep Lluis Sert, SOM, and Frank Lloyd Wright.