Cognitive Psychologist; Johnstone Family Professor, Department of Psychology, Harvard University; Member, National Academy of Sciences; Named Time Magazine’s “100 Most Influential People in the World Today”; Author, When Everyone Knows That Everyone Knows . . .: Common Knowledge and the Mysteries of Money, Power, and Everyday Life (2025), Rationality: What It Is, Why It Seems Scarce, Why It Matters (2021), Enlightenment Now (2018), The Sense of Style: The Thinking Person’s Guide to Writing in the 21st Century (2014), Language, Cognition, and Human Nature (2013), The Stuff of Thought (2007), and How the Mind Works (1997)