No, not conflict avoider, just actually working, out of internet range!
My first inclination is to wait, but I really understand why you don't want to!
I think, all things considered, that you could send an email that really didn't suggest a response was needed, but then, guess what, you probably wouldn't get a response!
I'm flopping like a fish on this, hmmmm, I fall on the wait side, in the end. There will be another opportunity. He is probably really struggling right now, one way or the other. He may eventually move away from the pressure (OW) to the calm (you).