I've done a PhD and been an entrepreneur. The former is much harder, although "success" is almost certain if you're persistent. It is very difficult for people

I've done a PhD and been an entrepreneur. The former is much harder, although "success" is almost certain if you're persistent. It is very difficult for people to appreciate how grueling an academic career can be, from grad school on. I put together this list to make the point: http://www.tjradcliffe.com/?p=1588 http://www.tjradcliffe.com/?p=1588 (needs to be read to the end to see what I mean.)