Knuth Check
Wait, what?
I received a Reward Check from Dr. Donald Knuth! It's true. I reported an error in a book. And I got a check.
What For?
An error on the cover of "Things a Computer Scientist Rarely Talks About". There's a missing space between a comma and the word aesthetics, and I reported it.
Can I see it?
Sure!
It looks like this:
Knuth Reward Check