(Description) Figure 2 German scientist Johann Friedrich Blumenbach, in his book On the Natural Variety of Mankind (1776), classified humans into (l–r) Mongolian, (Native) American, Caucasian, Tahitian, Ethiopian. At the centre of his diagram was what he called the ‘most beautiful skull’, that of a woman from Georgia in the Caucasus – giving rise to the term ‘Caucasian’.