2. Toothbrush: William Addis, c. 1770
We often take dental hygiene for granted, grabbing that toothbrush morning and night and giving the pearly whites a scrub up. But what would life look like if we didn’t have this invention? William Addis made sure we’d never have that dilemma. He was an English entrepreneur who was thought to have come up with the idea for the first mass produced toothbrush that gave way to what we know today.