Shortly before classes were dismissed on December 1, 1958, a fire broke out at the foot of a stairway in the Our Lady of the Angels School in Chicago, Illinois. A total of 92 students and 3 nuns died and another 100 were seriously injured when smoke, heat, and fire cut off their normal means of escape. Many perished jumping from second-floor windows. The tragedy dominated headlines and led to nationwide changes to school fire safety regulations. How is the fire thought to have started? Discuss