SIR ARTHUR KEITH'S Frazer lecture on “The Aryan Theory as it stands To-day”, which was delivered in the University of Glasgow on March 4, was lacking neither in courage nor in imagination.

Put simply, there were no traces of the R1a1, or Central Asian ‘steppe’ gene or the Aryan gene. The arrival of Indo-Aryan speaking groups – carriers of the R1a1 gene – into India has been ...