Image credits

Every image comes from Wikimedia Commons under a free licence. Where no free photograph could be found, the file stays without one.

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  Case file 001Sigmund Freud

  Sigmund Freud, portrait by Max Halberstadt, around 1921. Public domain · Wikimedia Commons. Wikimedia Commons

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  Case file 002Carl Gustav Jung

  Carl Gustav Jung, portrait, around 1935, ETH Library Zurich. PDM-owner · Wikimedia Commons. Wikimedia Commons

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  Case file 003Anna Freud

  Anna Freud, 1957. CC0 · Wikimedia Commons. Wikimedia Commons

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  Case file 004Iwan Pawlow

  Ivan Pavlov, portrait, photographer unknown. Public domain · Wikimedia Commons. Wikimedia Commons

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  Case file 005John B. Watson

  John B. Watson, portrait taken before 1923, photographer unknown. Public domain · Wikimedia Commons. Wikimedia Commons

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  Case file 006B. F. Skinner

  B. F. Skinner at Harvard, around 1950. CC BY 3.0 · Photo: Silly rabbit. Wikimedia Commons

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  Case file 007Ulric Neisser

  The perceptual cycle: schema, exploration, object — a loop of three stations. Drawing by the archive · free to use. Wikimedia Commons

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  Case file 008Daniel Kahneman

  Daniel Kahneman, 2009, photo: nrkbeta. CC BY-SA 2.0 · Photo: nrkbeta. Wikimedia Commons

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  Case file 009Elizabeth Loftus

  Elizabeth Loftus, 2011, photo: BDEngler. CC BY-SA 3.0 · Photo: BDEngler. Wikimedia Commons

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  Case file 010Stanley Milgram

  Stanley Milgram, 1954, photographer unknown. Public domain · Wikimedia Commons. Wikimedia Commons

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  Case file 011Solomon Asch

  Asch’s comparison cards: one standard line and three comparison lines, B is the correct one. Drawing by the archive · free to use. Wikimedia Commons

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  Case file 012Philip Zimbardo

  Philip Zimbardo, 2019, photo: Celina Strzelecka. CC BY-SA 4.0 · Foto: Celina Strzelecka. Wikimedia Commons

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  Case file 013Carl Rogers

  Carl Rogers, portrait. CC BY 2.5 · Foto: Didius. Wikimedia Commons

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  Case file 014Abraham Maslow

  Abraham Maslow, 1971, photo: William Carter. Public domain · Wikimedia Commons. Wikimedia Commons

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  Case file 015Viktor Frankl

  Viktor Frankl, 1965, photo: Franz Vesely. CC BY-SA 3.0 de · Photo: Prof. Dr. Franz Vesely. Wikimedia Commons

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  Case file 016Melanie Klein

  Melanie Klein, 1952, photo: Douglas Glass. CC BY 4.0 · Foto: Douglas Glass. Wikimedia Commons

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  Case file 017Wilhelm Wundt

  Wilhelm Wundt, portrait. Public domain · Wikimedia Commons. Wikimedia Commons

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  Case file 018William James

  William James, platinum print by Alice Boughton, c. 1907. Public domain · Wikimedia Commons. Wikimedia Commons

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  Case file 019Hermann Ebbinghaus

  Hermann Ebbinghaus, portrait. Public domain · Wikimedia Commons. Wikimedia Commons

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  Case file 020Max Wertheimer

  Max Wertheimer, portrait. Public domain · Wikimedia Commons. Wikimedia Commons

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  Case file 021Kurt Lewin

  Bronze relief with the portrait of Kurt Lewin. CC BY-SA 4.0 · Foto: Pko. Wikimedia Commons

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  Case file 022Wolfgang Köhler

  Wolfgang Köhler, portrait photograph, undated. CC BY-SA 2.5 · Historical Library, Swarthmore College / The National Academies Press · Wikimedia Commons. Wikimedia Commons

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  Case file 023Jean Piaget

  Jean Piaget in Ann Arbor. Public domain · Wikimedia Commons. Wikimedia Commons

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  Case file 024John Bowlby

  The secure base: one point, two rings, a way out and back. Drawing by the archive · free to use. Wikimedia Commons

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  Case file 025Mary Ainsworth

  Eight bars for the eight episodes of the Strange Situation; the two reunions are picked out. Drawing by the archive · free to use. Wikimedia Commons

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  Case file 026Gordon Allport

  The funnel from 17,953 trait words through 4,500 traits and 16 factors to five dimensions. Drawing by the archive · free to use. Wikimedia Commons

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  Case file 027Leon Festinger

  Two bars: one dollar persuades more than twenty. Drawing by the archive · free to use. Wikimedia Commons

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  Case file 028Albert Bandura

  Albert Bandura, portrait. CC BY-SA 4.0 · Foto: Albert Bandura. Wikimedia Commons

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  Case file 029Aaron T. Beck

  Aaron T. Beck as a student, yearbook portrait, 1942. Public domain · Wikimedia Commons. Wikimedia Commons

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  Case file 030Albert Ellis

  Albert Ellis, dust-jacket portrait. Public domain · Wikimedia Commons. Wikimedia Commons

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  Case file 031Martin Seligman

  Martin Seligman, Philadelphia 2009. Public domain · Wikimedia Commons. Wikimedia Commons

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  Case file 032Amos Tversky

  The value function of prospect theory: steeper in losses than in gains. Drawing by the archive · free to use. Wikimedia Commons

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  Case file 033Karen Horney

  Karen Horney, portrait photograph by Fredy Crevanna, October 1938. GFDL / CC BY-SA 3.0 · Photo: Fredy Crevanna, 1938 · Wikimedia Commons. Wikimedia Commons

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  Case file 034Eleanor J. Gibson

  Eleanor J. Gibson delivering her keynote address at the 1993 APS convention. CC0 · Association for Psychological Science · Wikimedia Commons. Wikimedia Commons

Journal

• A man in a permanent present

  Brenda Milner. Eva Blue. CC BY 2.0 · Wikimedia Commons

• The analyst who contradicted Freud

  R.G. Kar Medical College. Dr rdb at English Wikipedia. CC BY-SA 3.0 · Wikimedia Commons

• The Child Who Was Made Into a Question

  Victor of Aveyron. Unknown authorUnknown author. Public domain · Wikimedia Commons

• The Dream as Noise — or as Wish

  Title page of The Interpretation of Dreams, 1900. Public domain · Wikimedia Commons

• The Measure of Culture Is Itself Measured

  Chinese University of Hong Kong 香港中文大學. Citobun. CC BY-SA 3.0 · Wikimedia Commons

• Two Candidates, One Day Apart, No Certainty

  Still from Watson's 1920 film: Watson in a mask, the child recoiling. Public domain · Wikimedia Commons