Jews in general are known to be special. But he's emphasizing on Ashkenazi Jews alone. A quick research shows that their history is quite complex. They were ban

Jews in general are known to be special. But he's emphasizing on Ashkenazi Jews alone. A quick research shows that their history is quite complex. They were banned from most occupations - restricting them to money lending (banking), health care (doctors), crafting... You can find some in the link he supplied https://en.wikipedia.org/wiki/Ashkenazi_Jewish_intelligence#Proposed_cultural_and_historical_explanations https://en.wikipedia.org/wiki/Ashkenazi_Jewish_intelligence#...