A photograph of firefighter Chris Fields removing infant Baylee Almon (who later died in a nearby hospital) from the destruction of the Oklahoma City bombing.
Image found at http://www.pulitzer.org/works/1996-Spot-News-Photography The photo, taken by credit specialist Charles H. Porter IV, earned the 1996 Pulitzer Prize for Spot News Photography
The image of a firefighter performing his duties during a national tragedy is of a non-reproducible historic event. The use is educational and the image is discussed in the article. The image is essential to the understanding of the significance and impact of the bombing, and hence the image is essential to the article. The image was reprinted worldwide and became a symbol of the tragedy. The commercial value of the photograph is not significantly reduced by its use on the article.