In the 1960's the KGB was very interested in learning everything possible about the American space program, sending all sorts of spies to find every possible piece of information.
One afternoon, a breathless spy returned to headquarters with a page of paper in his hand, excitedly shouting to his superior, "Comrade! Comrade! The Americans are using Lisp to write their rocket launching software!"
The commander was skeptical. "How do you know?"
"I broke into their research lab and stole a page from the teletype machine! It's not the whole program, but it's the final page and contains the concluding logic of the program! See for yourself!!!!"
The commander looked at the page and smiled:
