Josephine Harris, a 59-year-old bookkeeper from Brooklyn, was trying to escape the North Tower of the World Trade Center on September 11, 2001, when she met six firefighters from the Fire Department of New York (FDNY) Ladder Company 6. Harris had recently suffered injuries to her leg and back in a car accident but had returned to work and was on the 73rd floor of the tower when it was struck by American Airlines Flight 11 at 8:46 a.m. After the attack, she began descending the stairs in a desperate attempt to leave the building. The firefighters—Captain Jay Jonas, Sal D’Agostino, Matt Komorowski, Mike Meldrum, Bill Butler, and Tommy Falco—were returning down the stairs after being told to evacuate following the collapse of the South Tower at 9:59 a.m. They encountered Harris on the 20th floor, where she was exhausted and struggling to continue. Despite the danger, the firefighters decided to help her, guiding her down Stairwell B at her own pace. As they descended, the ground shook violently, and the North Tower collapsed in a massive cloud of concrete and steel at 10:28 a.m. However, the staircase where they had stopped was the only part of the structure that remained intact. The group was trapped for five hours before being rescued. This event later became known as the "Miracle of Stairwell B." Harris and the six firefighters survived the collapse. The firefighters later described Harris as their "guardian angel," saying that while they had saved her life, she had also saved theirs. Harris returned to work after 9/11 but eventually had to stop due to her injuries and lived in Brooklyn on disability support. Despite this, the bond between Harris and the firefighters remained strong throughout her life. Members of Ladder 6 gave Harris an FDNY jacket embroidered with the words "Our Guardian Angel" and often appeared with her at events commemorating the 9/11 attacks. When Harris died of a heart attack in 2011 at the age of 69, the firefighters served as her pallbearers at her funeral. Recently, Harris’s sister, Thelma Johnson, returned the jacket to the FDNY so it could be preserved and displayed for the public.