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Zac Vawter

Man With Bionic Leg Makes Historic Climb

AP | MICHELLE JANAYE NEALY | Posted 01.05.2013 | Chicago

CHICAGO -- The metal on Zac Vawter's bionic leg gleamed as he climbed the 103 floors of Chicago's iconic Willis Tower, becoming the first person ever ...

Man With 'Bionic' Leg Trains To Climb Willis Tower

AP | CARLA K. JOHNSON | Posted 12.31.2012 | Chicago

CHICAGO — Zac Vawter considers himself a test pilot. After losing his right leg in a motorcycle accident, the 31-year-old software engineer sign...