The Brokeback Mountain star and the Extremely Loud & Incredibly Close writer met through mutual friends, and a source tells Us Weekly that the two are "in the same mind-set", thanks to their passion for literature.

Another insider tells the publication, "With Jonathan, Michelle looks finally at peace and genuinely happy."

Williams previously dated actor Jason Segel, director Spike Jonze and the late Heath Ledger, with whom she has a nine-year-old daughter, Matilda.

Safran Foer split from wife and fellow author Nicole Krauss in 2014, and they share two children together.