Kai Bird (born September 2, 1951) is an American author and columnist, best known for his works on the atomic bombings of Hiroshima and Nagasaki, United States-Middle East political relations, and his biographies of political figures. He won a Pulitzer Prize for American Prometheus: The Triumph and Tragedy of J. Robert Oppenheimer. Description above from the Wikipedia article Kai Bird, licensed under CC-BY-SA, full list of contributors on Wikipedia.