BAFTA winning film "The Theory of Everything" is adapted from which book?

Question

"The Treasure of the Sierra Madre" (1927), on which the multi-award winning 1948 American film was based, was written under the pen-name B. Traven by someone understood to be of what nationality?

Answer 1

The Theory of Everything (2014 film) was adapted by Anthony McCarten from the memoir Travelling to Infinity: My Life with Stephen by Jane Wilde Hawking