The Moth That Spawned Bug Was No Myth

I was very surprised to read Fred E. Brandli Jr.'s letter [Oct. 31] asserting that the Mark IV moth is a myth. A little research at the U.S. Navy's official history site sheds a little more light on the truth of the story. It turns out that the moth was on the Mark II computer, not the Mark IV. Perhaps this is the source of Brandli's confusion.

You can find a high-resolution photograph of the moth, and the lab book into which it was pasted, at

Simson L. Garfinkel

Center for Research on Computation and Society
Harvard University
Cambridge, Mass.

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