In memory of the man who put red and green squiggles under words (opens in new tab)

Every little thing in a graphical user interface that we take for granted today, no matter how small, was thought up by someone, at some point. Case in point: the little red squiggly lines underneath misspelled words. In one form or another, these are everywhere now, and have just become a regular staple of every single text editing field we encounter every single day and don’t stop to think about. Still, they were invented by someone, and we happen to know exactly who that was: Tony Krueger....