man -T grep | grep 'Free Soft\|Thom'
(Cop)108 348 Q(yright 1998-2000, 2002, 2005-2023 Free Softw)-.1 E(are F)
Sure, he wrote _a_ version of grep, and probably the first, but who cares? "The" (sure, you might run some bsd grep) current version of grep certainly doesn't.