The Ranters came into prominence after the defeat of the Levellers at Burford in 1649 had put a final end to the most serious political and military challenge to Cromwell from the left. With their direct appeal to the outcast urban poor, coupled with a flagrant and often blasphemous defiance of tradition Christian morality, the Ranter sect provide a striking illustration of the continuing radical political and theological opposition to the Cromwellian Commonwealth.
Arthur Leslie Morton was an English Marxist historian. He worked as an independent scholar; from 1946 onwards he was the Chair of the Historians Group of the Communist Party of Great Britain (CPGB). He is best known for A People's History of England, but he also did valuable work on William Blake and the Ranters, and for the study The English Utopia.