| Arne Beurling |
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| CATEGORIES ABOUT ARNE BEURLING | |
| 1905 births | |
| 1986 deaths | |
| pre-computer cryptographers | |
| swedish mathematicians | |
| 20th century mathematicians | |
| uppsala university alumni | |
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Arne Beurling worked extensively in Harmonic Analysis , Complex Analysis and Potential Theory . In 1940 he single-handedly deciphered and Reverse-engineer ed an early version of the '' Geheimfernschreiber '' (one of the " Fish Cyphers ") used by Nazi Germany , and created a device that enabled Sweden to decipher German Teleprinter traffic passing through Sweden from Norway on a cable. In this way, Swedish authorities knew about Operation Barbarossa before it occurred. This became the foundation for the Swedish Swedish National Defence Radio Establishment (''FRA''). One of the branch libraries of Uppsala University Library , the library for Mathematics and Computer Science , is named after Arne Beurling. Arne Beurling's great-grandfather was Per Henric Beurling ( 1758 (or 1763 ) - 1806 ), who founded a high quality clock factory in Stockholm in 1783 . EXTERNAL LINKS |
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