We encounter the back cover of the Good Doctor's first actual book as we wrap up The Pebble in the Sky with chapters 14 through 22.

If you've been around for a while you probably remember our discussions of the "Great Man Theory of History" vs the "Bottom-Up" paradigm. In other words, do remarkable individuals with unique characteristics write history or is it driven by powerful historical forces that generate great leaders when needed? It's a false dichotomy, but a useful one. In the Foundation Universe, the bottom-up theory must dominate otherwise psychohistory could not work the way it does.

But Joseph Schwartz is just the right Jewish tailor with a special kind of trick memory who is accidentally thrust to an exact moment in Earth's future. Once there he is brought to the only scientist on Earth doing a particular type of brain research. He then survives a dangerous experiment that gives him an unlikely set of psychic powers which he uses to save the lives of nearly every human in the galaxy.

Put those numbers into your Prime Radiant and crunch them!

This probably delayed the creation of psychohistory by hundreds of years. "I just don't understand it, Hari, the math says everyone in the galaxy should be dead right now."

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