Tyndall promoted a racial nationalist belief in a distinct white "British race", arguing that this race was threatened by a Jewish conspiracy to encourage non-white migration into Britain. He called for the establishment of an authoritarian state which would deport all non-whites from the country, engage in a eugenics project, and re-establish the British Empire through the military conquest of parts of Africa. He never gained any mainstream political respectability in the United Kingdom although he proved popular among sectors of the British far-right.