Who shot the photograph a harvest of death, gettysburg, pa., considered by some as "the most famous photograph" to come out of the american civil war?

The photographer that took the photo is called Timothy H. O'Sullivan. He was a famous photographer and his photos made him a celebrity which resulted in him becoming the chief photographer of the government and the union. He died young though so he wasn't at that position for a long time.

Because broadest terms allows the law flexibility depending on changing society and circumstances.