B. F. Skinner was an American behaviorist, psychologist, inventor, author, and social philosopher. Skinner, who taught psychology at Harvard University, is credited with founding a school of thought in psychology called the experimental analysis of behavior. Regarded as a pioneer of modern behaviorism, Skinner was named the 20th century's most influential psychologist, according to a survey conducted in June 2002.
Abraham Maslow was an American psychologist best remembered for creating an idea in psychology called Maslow's hierarchy of needs. Maslow, who advocated self-actualization, is also credited with co-founding the school of transpersonal psychology. In 1967, he was adjudged Humanist of the Year by the popular non-profit organization, American Humanist Association.
William James was an American psychologist and philosopher. Widely regarded as the father of American psychology and one of the most influential American philosophers, James was the first educator in the United States to offer a course in psychology. He is also credited with co-founding a psychological school of thought called functional psychology and establishing a philosophical school called pragmatism.
Erik Erikson was a German-American psychoanalyst and developmental psychologist best remembered for developing a theory on the psychological development of humans. He is credited with coining the term identity crisis, the failure to achieve ego identity. Also a prolific writer, Erikson won a US National Book Award and a Pulitzer Prize for his book Gandhi's Truth.
Psychologist Carl Rogers was the first to introduce a client-centric approach to psychotherapy and addressed the patient as the client. Besides working on troubled children, he also taught at various institutes, such as the University of Chicago. On Becoming a Person remains one of his best-known books.
Albert Bandura is a Canadian-American psychologist who has made significant contributions to several fields of psychology, such as personality psychology, therapy, and social cognitive theory. Regarded as the greatest living psychologist, Bandura is also counted among the most influential psychologists ever. He has been honored with over 16 honorary degrees. In 2016, Albert Bandura received the National Medal of Science.
John B. Watson was the first to introduce the theory of behaviorism to psychology. He believed human behavior, like animal behavior, should be studied under objective and experimental conditions. One of his experiments included conditioning the fear of white rats into an 11-year-old boy he named Little Albert.
Psychologist and former Harvard professor Timothy Leary was an advocate of psychedelic drugs. His research experiments included the controversial Concord Prison Experiment and Marsh Chapel Experiment. After being fired from Harvard for his actions, he continued promoting his theories through catchphrases such as “turn on, tune in, drop out.”
Social psychologist Stanley Milgram was inspired by the suffering of the Jews during the Holocaust to understand what drove people to harm others, and thus created his Milgram experiment. He also taught at prestigious institutes such as Harvard and Yale. His studies also included the six degrees of separation concept.
A staunch advocate of progressive education and liberalism, the American philosopher and psychologist was the founder of the University of Chicago Laboratory Schools. John Dewey’s famous writings included The Reflex Arc Concept in Psychology and Human Nature and Conduct. According to him, passion for knowledge and intellectual curiosity were central to a teacher. He called himself a democratic socialist.
Steven Pinker is a Canadian-American linguist, cognitive psychologist, and popular science author. He is also a supporter of the computational theory of mind and evolutionary psychology. His works have earned him awards from organizations like the National Academy of Sciences, the American Psychological Association, and the American Humanist Association. In 2013, he was named in Prospect magazine's World Thinkers list.
Psychologist and Stanford professor Philip Zimbardo is best known for his Stanford prison experiment, which proved how prisoners get abusive due to situational factors. He is also known for his books The Lucifer Effect and The Time Paradox and has received a Lifetime Achievement Award from the American Psychological Foundation.
Daniel Kahneman is an Israeli economist and psychologist. He was honored with the 2002 Nobel Memorial Prize in Economic Sciences for his work on behavioral economics. In 2011, Kahneman was named among the top global thinkers by Foreign Policy magazine. In 2015, Daniel Kahneman was ranked seventh in the most influential economist in the world list published by The Economist.
Psychologist Harry Harlow proved that monkeys raised without their mothers exhibited abnormal psychological development. He had a long association with the University of Wisconsin–Madison, where he conducted most of his experiments. He was criticized for using dramatic names, such as “pit of despair,” for his experimental devices.
The founder of the Focus on the Family, Dr. James Dobson is a qualified psychologist and has also had long stints with a children’s hospital and as a professor of pediatrics. Known for his popular radio program Family Talk, he has penned countless books, such as the bestseller Bringing Up Girls.
Renowned psychologist Carol S. Dweck has taught at both Columbia and Harvard and is now a professor at Stanford. She is best known for her research on fixed mindset and growth mindset and has also penned popular books such as Self-theories: Their Role in Motivation, Personality and Development.
American philosopher and social psychologist George Herbert Mead was one of the pioneers of pragmatism and symbolic interactionism. He taught at the University of Chicago, and his ideas later came to be known as the Chicago school of sociology. His notable lectures were published as books only after his death.
American-Canadian developmental psychologist Mary Ainsworth is best remembered for her contributions in developing the attachment theory. She devised the Strange situation procedure during the 1970s to observe early emotional connect and relationship between a caregiver and child. She was ranked as the 97th most cited psychologist of the 20th century in a 2002 survey of Review of General Psychology.
Social philosopher and author Eric Hoffer was rendered half-blind at 7 due to an accident but regained his sight at 15. Orphaned in his 20s, he took up odd jobs, and once even contemplated suicide. His first book, The True Believer, catapulted him to fame, and he never looked back.
Dan Ariely is an Israeli-American professor and author. He is the founder of the research institution, The Center for Advanced Hindsight, and the co-founder of several companies. Currently, he is also the James B. Duke Professor of psychology and behavioral economics at Duke University. He is the author of the three New York Times bestsellers as well.
Hungarian-American psychiatrist Thomas Szasz, who spent most of life teaching at the State University of New York Health Science Center, was known for his controversial claim that mental illnesses aren’t illnesses at all. Part of the anti-psychiatry movement, he penned books such as The Myth of Mental Illness.
Cognitive psychologist and Harvard professor Howard Gardner is known for introducing the theory of multiple intelligences, first mentioned in his book Frames of Mind. Born to Jewish immigrants in the US, Gardner was a talented pianist in his younger days and later studied social relations and developmental psychology at Harvard.