I've heard Don Knuth speak at Stanford -- he's really quite something. He actually speaks the exact way he writes, very precisely. I love how he is planning on

I've heard Don Knuth speak at Stanford -- he's really quite something. He actually speaks the exact way he writes, very precisely. I love how he is planning on another cleanup in 2021, when he'll be 83 years old. That's some serious dedication to your software.