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Index/People/Arthur Koestler

Arthur Koestler

Hungarian-British author and journalist (1905–1983)

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Oct 16, 2025
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What are the historical origins of the Khazarian Mafia conspiracy theory?

The “Khazarian Mafia” conspiracy theory springs from a blend of medieval history, 19th‑ and 20th‑century antisemitic forgeries, and modern political mythmaking: the medieval conversion narrative about...

Dec 3, 2025

Which Eastern European Jewish communities claim Khazar ancestry and what evidence supports or refutes it?

Some Eastern European Jewish groups and popular writers have claimed descent from the medieval Khazar state; the claim is most commonly applied to Ashkenazi Jews and is associated with the “Khazar hyp...