 A revised edition in 1951 explained the controversy as "At the first discussion on the problem of race, it was chiefly sociologists who gave their opinions and framed the ‘Statement on Race’.That statement had a good effect, but it did not carry the authority of just those groups within whose special province fall the biological problems of race, namely the physical anthropologists and geneticists.Secondly, the first statement did not, in all its details, carry conviction of these groups and, because of this, it was not supported by many authorities in these two fields.