All I remember of it: a guy is about to be executed, and he refuses to divulge his identity. I realize it’s not much to go on :o
eta: should have been in Cafe Society. Sorry.
In case you hadn’t already, I reported this for you for the forum change. Sorry, I can’t help with the actual question.
Moving over to CS.
Sounds like "Man From Earth " by Gordon R Dickson , but I’m not sure.
Last words:
What was he ?
He was a man.
A Tale of Two Cities?
Un-Man, by Poul Anderson?