She found success in mistakes. Her invention became one of the most popular office supplies of the 20th century. And yet today, she’s largely been forgotten. Zachary Crockett explores the inspirational life of Bette Nesmith Graham, the inventor of Liquid Paper. At a time when women were discouraged from pursuing business ventures, the single-mom from Texas used her product marketing talent to grow her business organically and retired a multimillionaire with an incredibly progressive workplace legacy.