Re: [math-fun] Math PuzzlesX Oldest Ancestors Took Form on Egyptian Papyrus

Dan Asimov:

While walking, someone one meets is usually going the opposite direction. So only "I" -- one person -- was going to St. Ives. (At least that's how it was once explained to me.)

In fact, when the Baring-Goulds authored their Annotated Mother Goose (1962) they suggested that this answer "is probably known to everybody today". Forty-eight years later Wikipedia allows for a number of different plausible answers. :)