Sam Altman is an American entrepreneur, investor, programmer, and blogger. Wikipedia
Source: One of Sam Altman's answers to "What are some of the best books you recommend for a young startup founder?"
Source: This book was on Sam Altman's bookshelf.
Source: "Have been waiting for it to come out so that I can recommend it to everyone." - Sam Altman
Source: "Very important book." - Will MacAskill
Source: "I find [this book] so inspirational and instructive, it lives on my nightstand." - Arianna Huffington
Source: "Incredible." - Sam Altman