[hopfenspergerj]

That was me on Reddit. I emailed him asking about some of his work on invariant means in the 1970s. He said “I had no taste then”, and told me what a waste of time it was.

At that point, I decided to go into data science instead of trying to get a post doc…

[jebarker]

How do you feel about that decision now? I left math after my PhD and often find myself feeling nostalgic about it.

[otoburb]

Always something to look forward to in [early] retirement to keep the mind active.