the.com/trailblazer
The first idiot brave enough to walk where there wasn't a path yet.
means A pioneer who does something new, clearing the way for everyone who follows.
from Literal: early American woodsmen who blazed trails by slicing bark off trees, leaving pale wounds as wayfinding marks through forest.
Blaze meansA mark cut or painted onto a tree
Still hikingTrail blazes still guide modern hikers today
Figurative leapMeaning went metaphorical by the 1800s