"After her husband died on January 19, 1947, Katharine D. McCormick came into $35 million. A life-long feminist and birth control advocate, she spent the money on what Margaret Sanger, famous feminist and Planned Parenthood founder, explained to her as “the greatest need of the whole [Planned Parenthood] movement”—“a simple, cheap, contraceptive.” Feminists had dreamed of a birth control pill a woman could take without a man’s knowledge, and Rock and Pincus were their best chance yet."