streets, the government welcomed this new method of practical birth control. By October 1962, Gamble had sent almost 3,000 loops to Korea. The Population Council wanted complete control of IUD trials and distribution, but Gamble opened his own manufacturing plant in Hong Kong. By 1964, Gamble was receiving reports on the IUD from 72 doctors in 32 countries. At the time of his death in 1966, The Pathfinder Fund was delivering IUDs to 504 doctors in 74 countries. Despite sharp disagreements, Gamble encouraged the clinics and family planning associations that he funded and his fieldworkers opened to become members of PPFA or IPPF, which most did. Papers Gamble's papers are kept at Harvard's Countway Library of Medicine References External links Pathfinder History Clarence Gamble papers, 1920-1970s (inclusive), 1920-1966 (bulk). H MS c23. Harvard Medical Library, Francis A. Countway Library of Medicine, Boston, Mass. 20th-century American businesspeople Princeton University alumni 1894 births 1966 deaths Harvard Medical School alumni University of Pennsylvania Procter & Gamble people