David Schwartz is the author of sev­er­al books, includ­ing most recent­ly The Last Man Who Knew Every­thing: The Life and Times of Enri­co Fer­mi, Father of the Nuclear Age (Basic Books, 2017). He holds a BA from Stan­ford and a PhD from MIT. He has had a var­ied career, as a for­eign pol­i­cy spe­cial­ist, an invest­ment banker, and HR consultant.