By Josie Byzek and Tim Gilmer

Here are the stories of two men, Ed Beyea and John Abruzzo–both wheelchair users–who were working on separate floors of the World Trade Center on Sept. 11, 2001. True to the human drama of that day, one lived and one died, but their stories stand as a tribute to the friends and coworkers who risked their lives to help them.

John Abruzzo with the EVAC+CHAIR he rode to to safety from the 69th floor of the World Trade Center.

John Abruzzo with the EVAC+CHAIR he rode to to safety from the 69th floor of the World Trade Center.

Ed Beyea, 42, had just celebrated the 20th anniversary of his diving accident. Many of us do it–loo