Karl Bühler
![](https://upload.wikimedia.org/wikipedia/commons/e/e7/Karl_B%C3%BChler_%281879%E2%80%931963%29_1927_%C2%A9_Georg_Fayer_%281891%E2%80%931950%29_OeNB_12993104.jpg)
He was the dissertation advisor of Karl Popper. Provided by Wikipedia
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Published: 2011.
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Published: 1969
Superior document: Veröffentlichungen der Kommission für Geschichte der Erziehung und des Unterrichts 10