He did more the just invent =.— BenjimanCymru 🏴🇺🇸🇪🇺🇫🇷 (@TheBengwin) April 24, 2019
A Welshman, Robert Recorde invented the = symbol.
He was also the 1st to use the + symbol whilst adding.
Well I never! Robert Recorde; a Welsh Born Icon.
Good with a knife, but only in matters of business or of some sort of reasonable complaint.