Gradgrind

They do just what all the practical men of this practical age are doing, what even the Gradgrinds are doing: they embody ideas; they put thoughts into facts.

“I was purring. I'm a Gradgrind—it's quite right—anything you can say about Herbert Spencer, vivisectors, materialistic Science or Atheists, applies without correction to me. […]”

He was a veritable Gradgrind for facts, facts, facts.