Margaret Sanger, September 14, 1879 – September 6, 1966,  helped remove the stigma of obscenity from contraception, lead the fight to establish a nation‑wide system of clinics where women could receive reliable birth control services, spearheaded the overturning of the Comstock Law that has banned the use of the federal mail for sending birth control information, and helped lay the groundwork for organized medicine's acceptance of the legitimacy of birth control in 1937. After WW II Sanger helped in the creation of the international planned parenthood movement and in getting the funding for the development of the modern birth control pill. This was a major public health breakthrough in the United States and, potentially, world wide.