eugenist

noun

1. An advocate or supporter of eugenics.

   “And we have enough of this kind of tyranny already ... the world does not want the eugenist to set it straight....”

   “A man who would throw a bomb at the Russian Czar or at a murderous pogrom-inciting Russian Governor would be considered an assassin, and if caught would be hanged; and in making up the pedigree of such a family, a narrow-minded eugenist would be apt to say that there was criminality in that family.”

   “When it reported in 1908, it took a strongly hereditarian view of mental deficiency, which was not surprising given that many of its members were paid-up eugenists.”