establisher

Who doesn’t pack a shirt when it’s a team rule and you’re supposed to be the establisher of good habits?

The advantage to placing Lovecraft in this tradition is that Lovecraft becomes a shaper and establisher of the subgenre, both through his fiction and through his weird-canon-shaping essay “Supernatural Horror in Literature.”

Describing Lovecraft as part of horror and science fiction renders him less unique, and more a significant but not singular author who is part of a tradition, not an establisher of one.

In these circumstances, we find the establisher of any particular era in that king who first continued his predecessor’s regnal reckoning, instead of replacing it by his own; but we regard as the founder of the era that king whose regnal reckoning was so continued.

Alexander Hamilton was the deviser and establisher of the government of the United States.