Only real die-hard movie fans, experts and aficionados may have heard of Mae Murray. Mae was a very popular and successful actress in the silent movie days of the 1920s. It was sometime in the 1920's that Mae began a national craze.
She was having coffee and a doughnut, when she happened to drop her doughnut in her coffee. She tried the coffee-infested doughnut, loved it, and started raving to all of her friends about her marvelous new and tasty discovery.