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5 Deutsche Mark Otto Hahn
| Issuer | Federal Republic of Germany |
|---|---|
| Year | 1979 |
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| Composition | Log in to see details |
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| Thickness | 2.07 mm |
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|---|---|
| Obverse script | Latin |
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| Reverse lettering | OTTO HAHN 1879-1968 |
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| Additional information |
Issued to mark the centenary of Otto Hahn's birth, this coin honors the chemist who, alongside Fritz Strassmann, first demonstrated nuclear fission in December 1938 — a discovery made in Berlin weeks before Hahn's colleague Lise Meitner, already exiled to Sweden, provided the theoretical explanation he could not. Hahn received the 1944 Nobel Prize in Chemistry alone, a decision that remains contested among historians of science.