Photography
Alexander Hesler or Hessler (July 12, 1823 – July 5, 1895) was a Canadian American photographer active in the U.S. state of Illinois. He is best known for photographing, in 1858 and 1860, definitive iconic images of the beardless Abraham Lincoln.
Conservation and restoration of photographic plates.
Consecration of the National Cemetery at Gettysburg.
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