Yes, the second bit is true, for me - I am much happier as a consulting CTO than I ever would have been as a maths professor (abandonment of the latter career is what I meant by &quot;leaving mathematics&quot;). I guess I have to thank Berkeley for helping me to discover this fact relatively quickly.<p>I did not mean to lump maths and Berkeley together - I happened to leave both at the same time, but that doesn&#x27;t mean I had to, or indeed that this was necessarily best for me, or would be best for others.