Hiroshima: Dutch Van Kirk and Russell Gackenbach. Two signed photographs: 8” x 10 black and white photograph of the Mushroom Cloud signed “Photo taken by Russell E Gackenbach Navigator – Photographic Plane V-91 Hiroshima 6 August 1945” and in silver ink, “Dutch Van Kirk Navigator Enola Gay Hiroshima – 6 Aug 1945”. Also a 10” x 8” color photograph of the plane, Necessary Evil signed “Russell E Gackenbach Navigator – Necessary Evil Photo Plane - Hiroshima 6 August 1945”