- Alan Lightman, "The Discoveries: Great Breakthroughs in 20th-century Science, Including the Original Papers"
- Rebecca Goldstein, "Incompleteness: The Proof and Paradox of Kurt Gödel"
- David Leavitt, "The Man Who Knew Too Much: Alan Turing and the Invention of the Computer"
You can watch the replay on booktv.org. Scroll down to the bottom to the last session of the day.