Applied Eugenics
Von: Paul Popenoe, Roswell Hill Johnson
Paul Popenoe (October 16, 1888 – June 19, 1979) was an American founding practitioner of marriage counseling.
Roswell Hill Johnson (1877–1967) was an American eugenics professor in the early twentieth century.
Roswell Hill Johnson (1877–1967) was an American eugenics professor in the early twentieth century.
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