大卫·休姆·肯纳利，David Hume Kennerly has been shooting on the front lines of history for more than 40 years. He has photographed eight wars, as many U.S. presidents, and he has traveled to dozens of countries. At 25, the Roseburg, Oregon native won the 1972 Pulitzer Prize for his photos of the Vietnam War. Two years later was appointed President Gerald R.