Per the author:
Why did so many people buy the book? It is difficult for me to be objective, so I will go by what other people said. [...] They tended to follow a single formula: "[author] has _____ disease (the term used in American reviews) [...] Yet he has written this book about the biggest question of all: Where did we come from and where are we going?"
Whose name goes in the blank?
Lou Gehrig's