alt Hacker NewsOne of the photo shows his highly concentration. I have a hypothesis that many world class masters have talent to get into "Flow State". Juggling is one of the activity that associate with the state.
Another example is DHH who created RoR eventually became professional sport car racer.
It's well know that in sports area, many top players have the talent. My guess is it's also applicable on "mind sports".
I’ve watched vide with guy that supposedly has 200IQ and in his view IQ is ability to focus on small on small set of things but many high IQ ppl can’t „refocus” it easily and aren’t doing well in life.