Ripley's ghost illustrator / Believe It or Not!

Above Article in the current issue (October 2021) of The Iowa Source about American illustrator Clemens Gretter. Until recently, I had never heard his name, but (although I didn't realize it) I was familiar with his work. Why? Because in the 1940s, he was the "ghost illustrator" (not unlike a "ghost writer") for Robert Ripley's syndicated newspaper cartoon panel, famously known as Believe It or Not! As part of his contract, he was not allowed to sign his name, since the credit was given to Ripley instead. But Gretter was also responsible for a wide range of other cartoons, illustrations, and book designs, for which he did receive credit. Here's the whole story more>>>