Best teachers among the coaches?

I wonder which of the D1 college coaches are the best actual teachers of basketball, which is only one small aspect of head coaching. In other words, the guy you would hire to give a clinic. We might be surprised at the answer. I have no idea who it would be, but there is a good chance all the big name head coaches would not be high on the list, and many of the best teachers may be coaching at a lower level. In fact, I would guess that many of the best teachers are coaching at lower levels specifically because they enjoy the teaching and do not want to have to mess with the things that go with a higher-level job. Just a guess.