In 1965 , he returned to Greece as a researcher .
Debets in 1961 with a dissertation on The Origin of the Greeks , a work based on anthropometric studies of a sample of present - day Greek people .
In 1965 , he returned to Greek as a researcher .
Debets in 1961 with a dissertation on The Origin of the Greeks , a work based on anthropometric studies of a sample of present - day Greek people .