I am sure I am butchering his last name, Apologies.
When I was young, this was the guy credited with writing the original Manual J. As Far as I know that is true.
He was the guy.
I went to a few classes he taught. I found them to be quite an education. I also found that this guy could turn a one word answer into a short story better than anyone I had ever met.
ACCA now has a sizable stable of Tip Top Certified Trainers. Many of whom will give you quite a bit of insight into some of these topics. Particularly the approaches to dealing with unknown variables. Their opinions will surprise you.
I wonder if Hank merits a statue?