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In page Carl Jung:

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Jung's thought derived from the classical education he received at school and from early family influences, which on the maternal side were a combination of Reformed Protestant academic theology with an interest in occult phenomena.[citation needed] On his father's side was a dedication to academic discipline emanating from his grandfather - the physician, scientist, one-time student activist and convert from Catholicism to Swiss Reformed Protestantism, and first Basel Professor of Medicine, Karl Gustav Jung.[citation needed] Family lore also suggested there was at least a social connection to the German polymath, Johann Wolfgang Goethe, through the latter's niece, Lotte Kestner (known as "Lottchen") who was a frequent visitor in Jung senior's household.[1]