In the summer of 1955, Gregory Pincus visited Puerto Rico, and discovered it would be the perfect location for the human trials. The island, a U.S. territory, was one of the most densely populated ...

In the summer of 1955, Gregory Pincus visited Puerto Rico, and discovered it would be the perfect location for the human trials. The island, a U.S. territory, was one of the most densely populated ...