Formation of a new race takes place when, over several generations, individuals in one group reproduce more frequently among themselves than they do with individuals in other groups.
-- J. Philippe Rushton
   
J. Philippe Rushton   Name:
J. Philippe Rushton
Type:
Psychologist
Nationality:
Canadian
Birth:
December 3, 1943
https://www.nutquote.com/quote/J._Philippe_Rushton