John Darley), social loafing (with Kip Williams), and Dynamic Social Impact Theory (with Andrzej Nowak) Gustave Le Bon Mark Lepper Becca Levy Kurt Lewin - often called "the father of social psychology"; one of the first researchers to study group dynamics and organizational development M Ivana Markova Hazel Rose Markus Everett Dean Martin Francis T. McAndrew David McClelland Joseph E. McGrath - group dynamics researcher George Herbert Mead - American philosopher (pragmatist), sociologist, and psychologist; a founder of social psychology; founder of symbolic interactionism Stanley Milgram - performed famous experiment that demonstrated people's excessive willingness to obey authority figures Walter Mischel - among the first to promote a situationist view of personality Abraham Moles - one of the first to establish and analyze links between aesthetics and information theory Serge Moscovici Gordon Moskowitz Eleanor Maccoby N David Nadler Theodore Newcomb Richard Nisbett Mary Louise Northway Andrzej Nowak O Richard Ofshe Tom Ostrom P Ian Parker James W. Pennebaker Richard E. Petty Anthony Pratkanis Tom Pyszczynski Ivan Pavlov R Wilhelm Reich - mass psychology Steve Reicher Harry Reis Robert Rosenthal - Pygmalion effect Lee Ross - performed pioneering research on the fundamental attribution error Zick Rubin - author of the first empirical measurement of love Richard M. Ryan - co-founder of Self-Determination Theory S Stanley Schachter Gunter Schmidt Norbert Schwarz - known for his work on metacognitive experiences and survey methodology Martin Seligman Claire Selltiz Muzafer Sherif Boris Sidis - groundbreaking work on the psychology of suggestion, dissociative identity disorder, psychopathology, and genius Volkmar Sigusch Linda Skitka Diederik Stapel - founder of the Tilburg Institute for Behavioral Economics Research, later suspended from Tilburg University for fabricating and manipulating data Claude Steele - known for his groundbreaking work on stereotype threat and for introducing self-affirmation theory William Swann - known for developing self-verification theory T Henri Tajfel Jeffrey S. Tanaka Gabriel Tarde Carol Tavris Shelley Taylor John Thibaut - first editor of JESP, known for Interdependence Theory from "The Social Psychology of Groups" Norman Triplett - widely credited with the first published study in the field of social psychology, with his work on social facilitation Bruce Tuckman John C. Turner Amos Tversky W Daniel Wegner Karl Weick Kipling Williams Glenn D Wilson Timothy Wilson Robert S. Wyer - social cognition and information processing Wendy Wood Z Robert Zajonc - first academic to study the mere exposure effect Mark Zanna Philip Zimbardo -