N. Joseph Woodland: Five Facts About the Bar Code Inventor

Whether you like using those self-service checkouts at supermarkets and drugstores, or still prefer to have a human clerk scan your purchases, thank Norman Joseph Woodland for the ease and convenience of buying things in the modern world. It was Woodland – along with Bernard Silver, his classmate at Drexel Institute of Technology (now Drexel University) – who back in the late 1940s invented the bar code, the series of markings on labels that can be read by an optical …