Richard Drew, 2001. Unidentified man falling from the North Tower on 9/11. Pulled from most US papers after a single day's run.
From Wikipedia
The Falling Man is a photograph taken by Associated Press photographer Richard Drew of an unidentified man falling from the World Trade Center during the September 11 attacks in New York City, United States. The unidentified man in the image was trapped on the upper floors of the North Tower, and it is unknown whether he fell while searching for safety or jumped to escape the fire and smoke. The photograph was taken at 9:41:15 A.M.