I’m on the road today and so can’t write up an extensive post. So for today, I leave you with a picture from physics history: the 1927 Solvay conference. It proved that there’s no critical mass for genius. If there were, this gathering would have exploded. A large fraction of my “Greatest Physicists” are all in the same place smiling (or glowering) for the camera:
(Click for full size)
If I had a time machine, that conference would be pretty high on my list of things to see.