When [[Margaret Sanger]] established the International Planned Parenthood Federation (IPPF) in 1953, <ref>[https://books.google.com/books?id=UBJWsbEHmT4C&pg=PA53 Margaret Sanger's Eugenic Legacy: The Control of Female Fertility]</ref> he left his post as secretary of the Eugenics Society and became the first administrative chairman of the IPPF.<ref>[https://books.google.com/books?id=kaVoJemPPlAC&pg=PA122 Eugenics, Literature, and Culture in Post-war Britain]</ref> | When [[Margaret Sanger]] established the International Planned Parenthood Federation (IPPF) in 1953, <ref>[https://books.google.com/books?id=UBJWsbEHmT4C&pg=PA53 Margaret Sanger's Eugenic Legacy: The Control of Female Fertility]</ref> he left his post as secretary of the Eugenics Society and became the first administrative chairman of the IPPF.<ref>[https://books.google.com/books?id=kaVoJemPPlAC&pg=PA122 Eugenics, Literature, and Culture in Post-war Britain]</ref> |