Angela Duckworth is an American academic, psychologist and MacArthur Genius grant winner. She is the Rosa Lee and Egbert Chang Professor of Psychology at the University of Pennsylvania, where she studies grit and self-control. Angela chats with the Armchair Expert about the components of grit, her inclination to study achievement and the amorphous quality to intelligence. Dax talks about fulfillment vs. success and Angela talks about the imperative of intentional role modeling. The two discuss objectivism in The Fountainhead, the detriment of comparison and Angela evaluates Dax and Monica's grit.