McDonald's (NYSE: MCD ) sells an impressive 600 million Big Mac sandwiches a year. Credit for the invention of that hit product goes to one of the company's first franchisees, Jim Delligatti, who in 1968 persuaded the chain to put his store's sandwich into nationwide distribution.
But the beef-stacked burger might never have reached its blockbuster status without the contribution of a 21-year-old secretary named Esther Rose: She helped persuade management to drop the name "Blue Ribbon Burger" in favor of the now-iconic "Big Mac." Suffering from a "Blue Ribbon Burger" attack just doesn't have the same ring. Read more.