Klaus Fredenhagen
![Klaus Fredenhagen (middle) with [[Roberto Longo (mathematician)|Roberto Longo]] (left) and [[Karl-Henning Rehren]] (right), [[Oberwolfach]] 2002](https://upload.wikimedia.org/wikipedia/commons/7/71/Longo_Fredenhagen_Rehren_%28cropped%29.jpg)
Klaus Fredenhagen (born 1 December 1947) is a German theoretical physicist who works on the mathematical foundations of quantum field theory.
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Klaus Fredenhagen (born 1 December 1947) is a German theoretical physicist who works on the mathematical foundations of quantum field theory.
Provided by Wikipedia