A great article by Nicholas Reynolds in the journal Studies in Intelligence looks at Ernest Hemingway's surprisngly extensive dabblings in spy work during World War II, which included connections with the State Department, OSS, FBI, and the Soviet NKVD. Not surprisingly, Papa relished the danger and excitement of intelligence work but wasn't actually very good at it. Here's his best, and most Hemminwayesque, scheme from his time in Cuba: