And just as The Pathfinder Fund was being incorporated, Gregory Pincus set up his first clinical trial of the first contraceptive pill in Puerto Rico. Clarence drew on his contacts from the 1930s in Puerto Rico, when he had rescued Puerto Rico's birth control program. At that time, the Franklin D. Roosevelt administration had eliminated federal support for a thriving chain of clinics due to pressure from Catholic bishops, and Clarence had provided the support to keep them going. Two decades later, Clarence organized additional trials of the Pill with Dr. Adaline Satterthwaite at the Ryder Memorial Hospital in Humacao, and in 1961, Dr. Satterthwaite began testing the intrauterine device (IUD) as well.