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Otto Hahn was a German chemist who was a pioneer in the fields of radioactivity and radiochemistry. He is referred to as the father of nuclear chemistry and godfather of nuclear fission. Hahn and Lise Meitner discovered radioactive isotopes of radium, thorium, protactinium and uranium. He
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See moreOtto Hahn was born in Frankfurt am Main on 8 March 1879, the youngest son of Heinrich Hahn (1845–1922), a prosperous glazier (and founder of the Glasbau Hahn company), and Charlotte Hahn née Giese (1845–1905). He had an
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See moreHahn's intention was still to work in industry. He received an offer of employment from Eugen Fischer, the director of Kalle & Co. [de] (and the father of organic chemist
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See moreIn 1906, Hahn returned to Germany, where Fischer placed at his disposal a former woodworking shop (Holzwerkstatt) in the basement of the Chemical Institute to use as a laboratory. Hahn
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See moreWith a regular income, Hahn was now able to contemplate marriage. In June 1911, while attending a conference in Stettin, Hahn met Edith Junghans [de] (1887–1968) , a student at
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See moreIn July 1914—shortly before the outbreak of World War I—Hahn was recalled to active duty with the army in a Landwehr regiment. They marched
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See moreIn 1913, chemists Frederick Soddy and Kasimir Fajans independently observed that alpha decay caused atoms to shift down two places on the
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See moreHarriet Brooks observed a radioactive recoil in 1904, but interpreted it wrongly. Hahn and Meitner succeeded in demonstrating the radioactive recoil incident to
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See moreWikipedia text under CC-BY-SA licenseWas this helpful?Thanks! Give more feedback Otto Emil Hahn, OBE (* 8. März 1879 in Frankfurt am Main; † 28. Juli 1968 in Göttingen) war ein deutscher Chemiker und ein Pionier der Radiochemie. Zwischen 1905 und 1921 entdeckte er zahlreiche Isotope (heute Nuklide genannt), 1909 den radioaktiven Rückstoß, 1917 das Element Protactinium und 1921 die Kernisomeriebeim „Uran Z“. Für die Entdeckung und den radiochemischen Nac…
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