Bill Pierce
Well-known
For those of you who have not seen it, this New York Times piece by Michael Kamber pretty much tells the story of every photojournalist who has covered war.
http://lens.blogs.nytimes.com/2011/12/19/bearing-witness-in-iraq/?src=tp
http://lens.blogs.nytimes.com/2011/12/19/bearing-witness-in-iraq/?src=tp