On Sept. 11th, 2001, Joe Dittmar was on the 105th floor of the World Trade Center's South Tower for a business meeting when the terrorist attacks started.
Dittmar, then 44, had been visiting New York City from Aurora, Ill., a Chicago suburb, where he worked in the insurance industry.
Before the meeting began, the first plane hit the North Tower, and Dittmar saw the hellish aftermath from a South Tower window.