This is really good.
I have no aspirations to ever have something like this written about me, but I aspire to one day be able to write something similarly good about my own advisor.
Yeah, the thread you triggered about unhappy PhDs along with learning the news last week sort of inspired it... it's a pity how few "doctor of philosophy" degrees involve any significant teaching or learning of philosophy as such. I lucked out that way.
He was old-fashioned in-person, pen-and-paper-math guy, didn’t really use email much except for work. Plus, I kinda dropped out of the field professionally.