Jewish philosopher Arthur Koestler, a refugee from Vienna after the Nazi invasion, pioneered the academic study of possible Khazar ancestry of Eastern European Jews.

Needless to say, his 1974 book, "The Thirteenth Tribe," has been banned all over Europe and won't last much longer under the Biden regime.

Jewish philosopher Arthur Koestler, a refugee from Vienna after the Nazi invasion, pioneered the academic study of possible Khazar ancestry of Eastern European Jews.

Needless to say, his 1974 book, titled "The Thirteenth Tribe," has been banned all over Europe and won't last much longer under the Biden regime.

Jewish philosopher Arthur Koestler, a refugee from Vienna after the Nazi invasion, pioneered the academic study of Khazar origins for Eastern European Jews.

Needless to say, his 1974 book, titled "The Thirteenth Tribe," has been banned all over Europe and won't last much longer under the Biden regime.

Jewish philosopher Arthur Koestler, a refugee from Vienna after the Nazi invasion, pioneered the academic study of Khazar origins for Eastern European Jews.

Needless to say, his 1974 book, titled "The Thirteenth Tribe," has been banned all over Europe and won't last much longer in the United States.