Ever wonder why the birth control pill exists?
Naturally, there were great scientists behind the Pill. Folks like John Rock and Gregory Pincus had the ideas and scientific skill to make it happen. And there was Margaret Sanger who pulled everyone together. Sanger was a spokesperson of sorts and an expert networker.
Smart people with good ideas within contraceptive technology have rarely been in short supply. What has been in short supply, however, is philanthropic support. Drug development is really expensive.