 It was criticized on several grounds and revised versions were publicized in 1951, 1967, and 1978.The statements were signed by some of the leading researchers of the time, in the field of sociology, psychology, biology, cultural anthropology and ethnology.The original statement was drafted by Ernest Beaglehole; Juan Comas; Luiz de Aguiar Costa Pinto; Franklin Frazier, sociologist specialised in race relations studies; Morris Ginsberg, founding chairperson of the British Sociological Association; Humayun Kabir, writer, philosopher, and twice Education Minister of India; Claude Lévi-Strauss, one of the founders of ethnology and leading theorist of structural anthropology; and Ashley Montagu, anthropologist and author of "The Elephant Man