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    Otto Hahn Typed Manuscript Signed with Signed Letter of Transmittal. Includes:

    Otto Hahn Typed Manuscript Signed. One page, 8.25" x 11.5", Gottingen; January 10, 1955. The paper was written for an educational seminar and recounts Hahn's discovery of uranium fission. Composed in German, the lot is accompanied by an English translation. It reads in part [English translation]: "...Thus we concluded that the irradiation of uranium with neutrons produced a completely new process, the fission of uranium into lighter elements, whereby we first established the presence of barium. Some weeks later the partner of the fission, the rare gas krypton, was discovered by Mr. Strassman and me...On the basis of this discovery, Einstein wrote the letter to President Roosevelt which started the Manhattan District Atomic Bomb Project." Signed, "Otto Hahn."

    Otto Hahn Typed Letter of Transmittal Signed. One page, 8.25" x 5.75", Gottingen; January 13, 1955. Addressed to a Frank Groom Kirtz, the letter is typed in German and is untranslated. It introduces Hahn's manuscript for the seminar. Signed, "Otto Hahn."

    Otto Hahn (1879-1968) was a German chemist and winner of the 1944 Nobel Prize in Chemistry for his discovery of nuclear fission. He is considered the "father of nuclear chemistry" thanks to his expansive research in radiochemistry and radioactivity. In 1938 he discovered the fission of uranium jointly with Fritz Strassmann. Their discovery had far researching implications. It prompted Leo Szilard and Albert Einstein to write to President Franklin Roosevelt who responded with the eventual creation of the Manhattan Project.

    Condition: Lightly toned with smoothed folds. Four small spots of dried adhesive on verso from prior mounting that are visible on recto.

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