Or between people who dropped out of PhD programs and those who never started, which is also an interesting data point given the few high-profile PhD dropout st

Or between people who dropped out of PhD programs and those who never started, which is also an interesting data point given the few high-profile PhD dropout startup founders there are out there. (Dropping out of PhD = walking away with a Masters in some places, but not all; I had my Master's degrees before I started the PhD.)