Pulitzer Prize -- winning journalist John Hersey caused a sensation when he wrote "Hiroshima", the first account for American readers of the horror experienced by victims of the 1945 Hiroshima atomic bomb attack. First published as a reportage essay, "Hiroshima" brought home to American citizens the inhumanity of nuclear weapons. Wishing to unravel the reasons his grandfather never spoke about Hiroshima later in his life, Hersey's grandson Cannon Hersey, an artist, visits Hiroshima.