The most important British anti‐Semite of that age, in terms of his eventual services to Zionism, was the fanatical Jew‐baiter Lord Arthur Balfour. In a parliamentary debate on the immigration issue, Balfour made a speech in which he put forward a case for anti‐Semitism that is all too familiar. He declared: “It would not be to the advantage of the civilisation of the country that there should be an immense body of persons who, by their own action, remained a people apart, and not merely held a religion differing from the vast majority of their fellow‐countrymen, but only intermarried among themselves.”7
Never heard of this guy, not my problem
(Source.)