, while working on a preparation of pure Radium salts. In the fall of 1905, Hahn left this job. He was headed for Canada. Here, he worked under Ernest Rutherford, Chemistry Nobel Prize winner of 1908, at the Physical Institute of McGill University. As usual, they found another element. This time, Radioactinium was
             added to the Periodic Table. Rutherford and Hahn spent most of their time experimenting on this new element, investigating the alpha and beta rays exerted. In 1907, the homesick Hahn returned to Berlin. He became a university lecturer at the Chemical Institute of the University. Rather than lecturing, he found another element. This time, Mesothorium was added to his collection.
             Following his discovery of Mesothorium, Otto Hahn was about to come face-to-face with thirty years of his future. Straight from Vienna, Italy, Lise Meitner began to help Hahn with his studies. Together, these two would go on to break many barriers in the science world, including the development of the Atomic Bomb. In the early years, they investigated beta rays, magnetic spectra, and the use of radioactive recoil in the elements.
             Perhaps the greatest conflict in Hahn's life was his involvement in The Great War. He served in the German Armed Forces from 1914 to 1918 as a Chemical Warfare Specialist. Hahn was very much agains
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