The article did a rather nice job of talking about this, and the difference between mere interest in multiple subjects -- "flitting" from subject to subject pro

The article did a rather nice job of talking about this, and the difference between mere interest in multiple subjects -- "flitting" from subject to subject promiscuously -- and actually doing real work in multiple subjects. How many "hackers" here are accomplished authors -- not technical books, but social subjects or good fiction -- and accomplished programmers, and have accomplished something notable in another unrelated field?