Princeton University Department of Psychology in the context of Academic department

James Mark Baldwin (January 12, 1861 – November 8, 1934) was an American philosopher and psychologist who was educated at Princeton under the supervision of Scottish philosopher James McCosh and who was one of the founders of the Department of Psychology at Princeton and the University of Toronto. He made important contributions to early psychology, psychiatry, and to the theory of evolution.

Daniel M. Oppenheimer is a professor of psychology at Carnegie Mellon University in the Department of Social and Decision Sciences. Previously, he was a professor at the UCLA Anderson School of Management. From 2004 to 2012, he worked at Princeton University's Department of Psychology.

Primarily interested in cognitive psychology, he researches causal discounting, charitable giving, perceptual fluency, and people's perceptions of randomness. He won the 2006 Ig Nobel Prize in Literature for his paper "Consequences of Erudite Vernacular Utilized Irrespective of Necessity: Problems with Using Long Words Needlessly", which argues that simple writing makes authors appear more intelligent than complex writing. In 2012, he co-authored a book with political scientist Mike Edwards on political psychology and democracy, Democracy Despite Itself: Why A System That Shouldn't Work at All Works So Well.

Philip Nicholas Johnson-Laird, FRS, FBA (born 12 October 1936) is a philosopher of language and reasoning and a developer of the mental model theory of reasoning. He was a professor at Princeton University's Department of Psychology, as well as the author of several notable books on human cognition and the psychology of reasoning.