On September 11, I dropped my son off at his second full day of kindergarten. The sky was so blue it looked as if it had been ironed. I crossed the street, ordered coffee, and sat to wait for my husband to meet me. It was our eighth wedding anniversary and Dave and I were about to begin a new chapter in our seventeen years together. Sipping coffee, I watched as a line of thick black smoke crept across the sky from Manhattan, oblivious to the fact that my life was about to change forever.

On September 11, 2001, Marian Fontana lost her husband, Dave, a firefighter from the...