Ten Years After 9/11, Infrastructure Interdependence Still a Challenge in United States
Systems Engineering Expert and Rensselaer Polytechnic Institute Professor Al Wallace Identified Major Infrastructure Challenges in the Wake of World Trade Center Attacks Al Wallace was watching the live television news coverage from Manhattan when his phone rang. Only a few hours after the unthinkable terrorist attacks on September 11, 2001, a program manager from the National Science Foundation called to ask for Wallace’s help in assuring nothing like this could ever happen again.