Benjamin Franklin wrote from Passy, in 1781, a letter to M. Dumas. He said:— 'I have just received a 14, 5, 3, 10, 28, 2, 76, 203, 66, 11, 12, 273, 50, 14, joining 76, 5, 42, 45, 16, 15, 424, 235, 19, 20, 69, 580, 11, 150, 27, 56, 35, 104, 652, 20, 675, 85, 79, 50, 63, 44, 22, 219, 17, 60, 29, 147, 136, 41, but this is not likely to afford 202, 55, 580, 10, 227, 613, 176, 373, 309, 4, 108, 40, 19, 97, 309, 17, 35, 90, 201, 100, 677.' This has never been deciphered. The state department at Washington has no key to it. I submit it for the consideration of the whole world.
– Elliott Sandford, New York World, cited in Henry Williams, A Book of Curious Facts, 1903
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