I find Mathew Brady's work to be very cool. Photographed celebrities and documented the civil war. He is also credited with being the father of photojournalism. He had taken photos of 18 of the 19 presidents from John Adams to William McKinley. The reason why he missed one of them is because the 9th president died in office before Brady started his photo collection. He also made portraits of many of the union officers in the civil war such as Ulysses S. Grant and George Custer.