I'm not the only fanboy of Alan Kay around here! ;)

https://news.ycombinator.com/threads?id=alankay1

>(OMGOMGOMG Dude, Dr. Kay, sir, your excellency, sir! I'm a huge fan! HUGE! You have made my day. I'm going to be telling random strangers in the street "Alan Kay responded to m'comment on the intertubes today!" and whistling and dancing on lampposts. Okay, deep breath, calming down...)

Depends on your definition of famous, but Patrick Collison of Stripe is here every now and then. Antirez of Redis, too.

dhouston dropped by a few months ago to correct an inept distortion of Andy Groves "High Output Management".

I saw Craig Wright recently.

Whether he is Satoshi or not, he certainly did a brilliant launch of BSV