Little Hans (a pseudonym for Herbert Graf) is the subject of Sigmund Freud’s famous 1909 case study, Analysis of a Phobia in a Five-Year-Old Boy. The case holds a foundational place in the history of psychoanalysis, as it was used by Freud to illustrate and provide evidence for infantile sexuality, the Oedipus complex, and the origins of neurotic phobias.
Summary
Background: Little Hans (Herbert Graf) was a 5-year-old boy treated by Sigmund Freud for an intense phobia of horses, published in 1909 as Analysis of a Phobia in a Five-Year-Old Boy. Freud’s direct therapeutic input was minimal; the bulk of the analysis was conducted by Hans’s father through regular conversations recorded and sent to Freud by letter.
Early Sexual Development: From around age three, Hans showed an active interest in ‘widdlers’ (penises), both his own and those of others. When he was three and a half, his mother threatened to have a doctor cut his off if he did not stop touching it, a threat Freud later identified as the origin of his castration anxiety.
The Phobia: Hans developed an intense fear of horses and became too frightened to leave the house. He was particularly afraid of white horses with black around the mouth and horses wearing blinkers, features his father interpreted as references to his own moustache and spectacles.
Freud’s Interpretation: Freud saw the phobia as an expression of the Oedipus complex. Horses symbolised the father, and Hans’s fear of being bitten represented castration anxiety in disguise, transferred from his father onto horses through the defense mechanism of displacement.
Resolution: Hans recovered after his father explicitly reassured him that no castration was intended. In 1922, a 19-year-old Hans visited Freud, reported no lasting psychological damage, and had no memory whatsoever of his childhood neurosis.
Little Hans was nearly five when he was seen by Freud (on 30th March 1908) but letters from his father to Freud provide the bulk of the evidence for the case study.
These refer retrospectively to when Hans was less than three years old and were supplied to Freud through the period January to May 1908 (by which time little Hans was five years old).
Freud was interested in the role of infantile sexuality in child development, and the Little Hans case played a key role in formulating his ideas about the Oedipus conflict and the castration complex.
Hans’s parents had close ties to Freud: his mother had been one of Freud’s patients before her marriage, and both parents were among his earliest supporters.
Max Graf, the father, was a physician sympathetic to Freud’s theories.
Freud had given Hans a rocking horse for his third birthday and knew the family well enough to carry it upstairs himself. This closeness is worth bearing in mind, since it raises questions about bias in how the case was conducted and interpreted.
The bulk of the evidence in the case study comes not from direct clinical observation but from letters the father sent to Freud between January and May 1908, when Hans was five years old.
These letters drew on observations going back to when Hans was around three. Freud himself met Hans on only one occasion, on 30th March 1908.
Hans’s Early Development
The first significant reports concerned Hans at age three, when he developed an active interest in his ‘widdler’ and those of others, asking his mother: “Mummy, have you got a widdler too?”
Widdlers and widdling were the dominant theme of his fantasies and dreams throughout this period. When he was about three and a half, his mother threatened to call the doctor to cut his widdler off if he continued touching it.
Freud later identified this threat as planting the seeds of castration anxiety that would shape the phobia.
Case History: Little Hans’ Phobia
When Hans was nearly five, his father wrote to Freud describing the main problem:
“He is afraid a horse will bite him in the street, and this fear seems somehow connected with his having been frightened by a large penis.”
The earliest signs of the condition appeared a few days before the phobia fully emerged.
Hans woke from a distressing dream in which his mother had gone away and he could no longer “coax” (cuddle) with her. In the evenings around this time, he fell into states of unusual anxiety mingled with tenderness toward his mother.
Freud interpreted this as an intensification of his libidinal feelings toward her that became too great to contain, succumbing to repression and transforming into generalized anxiety.
The Phobia Takes Hold
The phobia crystallised into a specific fear on 8th January during a walk to Schönbrunn with his mother.
Hans grew visibly frightened on the street and, on the way home, confessed: “I was afraid a horse would bite me.”
Later in the analysis, he identified the precipitating incident more precisely: he had witnessed a heavy bus-horse collapse in the street, kicking violently as it fell, and heard the sound of its hooves clattering against the cobbles.
He told his father: “When the horse in the bus fell down, it gave me such a fright, really! That was when I got the nonsense.”
The family lived opposite a busy coaching inn, making avoidance almost impossible once Hans ventured outside.
His anxiety was particularly triggered by white horses, horses with black nosebands, and horses pulling heavily laden carts or furniture vans.
A second incident reinforced his fear: he had heard a friend’s father warn her, “Don’t put your finger to the white horse or it’ll bite you,” as she departed in a horse-drawn cart, creating a direct association between white horses and the threat of being bitten.
When Hans was taken to see Freud on 30th March 1908, he described not liking horses with “black bits around the mouth.”
After the interview, the father recorded Hans saying, “Daddy, don’t trot away from me!”
Over the following weeks, the phobia gradually narrowed: Hans said he was especially afraid of white horses with black around the mouth wearing blinkers. His father interpreted this as a reference to his own moustache and spectacles.
The Father’s Role in the Analysis
It was Hans’s father who conducted the day-to-day analysis, not Freud.
He engaged Hans in regular conversations, asked probing questions about his phobia, and sent detailed records of their exchanges to Freud, who then interpreted the findings and advised on how to proceed.
Freud justified this arrangement on the grounds that no outside analyst could have treated a child so young: only a parent combining authority, affection, and scientific interest could overcome a five-year-old’s resistance to making unconscious thoughts conscious.
In practice, the father was highly directive.
He would often interpret Hans’s dreams and fantasies directly to the boy, suggest what his unconscious wishes meant, and steer the inquiry toward the theoretical conclusions he expected.
Freud acknowledged that Hans’s attention was deliberately turned in the direction the father anticipated, and that Hans had to be told many things he could not articulate himself.
This arrangement has attracted significant critical attention.
Key Fantasies in the Analysis
During the course of the analysis, Hans articulated several vivid fantasies that helped Freud and his father decode his unconscious mind:
1. The Giraffe Fantasy
The Fantasy: Hans dreamed there was a big giraffe and a crumpled giraffe in a room. The big one called out, but Hans took the crumpled giraffe away and sat on it.
Freud’s Interpretation: The big giraffe represented the father, while the crumpled one represented the mother (or her genitals). The act of sitting on it symbolized Hans’s defiant wish to take possession of his mother.
2. The Plumber Fantasy
The Fantasy: Hans imagined that a plumber came, removed his bottom and his “widdler” with pincers, and replaced them with larger ones.
Freud’s Interpretation: This represented his desire to grow into a man with adult genitals like his father, thereby triumphing over his castration anxiety.
3. The Parenting Fantasy
The Fantasy: In a final, triumphant fantasy, Hans imagined that he was married to his mother and had his own children, relegating his father to the role of “Granddaddy.”
Freud’s Interpretation: This fantasy provided a friendly resolution to the Oedipus complex, satisfying his desires while maintaining his affection for his father.
After many letters were exchanged, Freud concluded that the boy was afraid that his father would castrate him for desiring his mother.
Freud interpreted that the horses in the phobia were symbolic of the father, and that Hans feared that the horse (father) would bite (castrate) him as punishment for the incestuous desires towards his mother.
Freud’s central argument was that Hans’s phobia was not primarily about horses but a disguised expression of the Oedipus complex, managed through the defense mechanism of displacement.
Oedipus Complex
Freud held that during the phallic stage (roughly ages 3 to 6), a boy develops an intense sexual attachment to his mother and sees his father as a rival he wishes to remove.
Because the father is far more powerful, the boy fears retaliation in the form of castration.
Hans had developed an exaggerated affection for his mother, climbing into her bed, wanting to “coax” with her , while simultaneously harboring a repressed death-wish against his father, unconsciously wishing him to fall down and die just as the horse had done.
Because Hans both loved and hated his father, this ambivalence produced an anxiety his ego could not tolerate directly.
Displacement and symbolic parallels
Unable to consciously confront his fear of his father, Hans unconsciously transferred these feelings onto a safer external object: the horse.
To protect himself, Hans used the defense mechanism of displacement. He unconsciously transferred his fear of his father onto a safer, external object: the horse.
Specific visual parallels reinforced the substitution.
The horse’s large size and large “widdler” symbolized the father.
The black noseband and the “black on the horse’s mouth” represented his father’s moustache.
The fear of being bitten by the horse was a disguised expression of his fear of being castrated by his father.
Falling horse and the death wish
The collapsing bus-horse provided the precipitating event for the phobia, but Freud interpreted it as more than a random trauma.
The sight of the falling horse represented Hans’s repressed wish that his father would fall down and die.
His terror at the event reflected guilt and anxiety surrounding this unconscious murderous impulse.
As the analysis progressed, Freud also interpreted Hans’s fear of heavily loaded carts and furniture vans as a symbolic reference to his mother’s pregnancy with his younger sister Hanna: the heavy vehicle represented a pregnant belly, and the falling horse kicking its legs represented childbirth.
Protective function of the phobia
Freud noted that the phobia served a practical purpose for Hans.
By being too afraid to go out, he achieved his deepest wish: to remain at home in the constant company of his mother.
Resolution and Later Life
Hans recovered from his phobia after his father, at Freud’s suggestion, explicitly reassured him that he had no intention of castrating him.
By explaining the anatomical differences between the sexes and reassuring Hans that his father bore him no anger for loving his mother, the anxiety was resolved and Hans was able to leave the house freely again.
In the spring of 1922, Hans visited Freud’s consulting room at the age of 19.
Freud described him as a “strapping youth” who was perfectly healthy and declared himself entirely free from psychological troubles or inhibitions.
Despite the intense neurosis of his childhood, Hans had successfully navigated puberty without any lasting psychological damage.
His resilience had been tested by a significant ordeal: his parents had divorced and both had subsequently remarried, leaving Hans to live independently, though he maintained good relationships with both.
His only regret about the dissolution of the family was the separation it caused from his younger sister Hanna, of whom he was very fond.
One of the most striking aspects of Hans’s adulthood was his complete amnesia about his childhood phobia and subsequent psychoanalysis.
When he read Freud’s published case history about his own life, the entire account seemed, in his own words, completely unknown to him, and he did not recognise himself in it.
The only detail that sparked a faint “glimmering recollection” that the story might concern him was the description of the journey to Gmunden.
Freud noted this as a fascinating phenomenon, concluding that the psychoanalysis had not protected the childhood events from amnesia; rather, the analysis itself had been “overtaken by amnesia.”
Critical Evaluation
Support for Freud (Brown, 1965)
Brown (1965) identified several behavioral details consistent with Freud’s interpretation:
1 . In one instance, Hans said to his father –“ Daddy don”t trot away from me ” as he got up from the table.
2 . Hans particularly feared horses with black around the mouth. Han’s father had a moustache.
3. Hans feared horses with blinkers on. Freud noted that the father wore spectacles which he took to resemble blinkers to the child.
4 . The father’s skin resembled white horses rather than dark ones. In fact, Hans said, “Daddy, you are so lovely. You are so white”.
5 . The father and child had often played at “horses” together. During the game the father would take the role of horse, the son that of the rider.
Biased Sample
A major flaw in Freud’s developmental theory is that it was based almost entirely on the retrospective memories of adult patients, making Little Hans exceptionally important as Freud’s only actual child patient
The case study carries significant methodological limitations. As a single case, it lacks population validity: findings from one child cannot be generalized to children at large.
Critics at the time also argued Hans was not a “normal” child but one predisposed to neurosis, making universal claims about the Oedipus complex scientifically unjustifiable.
Research Bias
The data quality is further compromised by researcher bias and confirmation bias. Freud had formulated the theory of the Oedipus complex four years before this case (in his 1905 Three Essays on the Theory of Sexuality), and the father was already a committed follower of his ideas.
There is a strong case that Freud and the father approached the analysis seeking confirmation of a pre-existing theory rather than observing the child objectively.
Because children are highly suggestible, particularly toward a parent, the father’s leading questions and direct interpretations, openly acknowledged by Freud himself, almost certainly shaped Hans’s responses in the expected direction.
Freud admitted this detracted from the objective evidential value of the study, though he defended the father’s interventions as therapeutically necessary.
Unfalsifiability
A further criticism concerns unfalsifiability.
Freud’s interpretation that Hans’s fear of horses was a displaced fear of his father due to the Oedipus complex cannot be empirically tested or proven wrong.
Contradictory evidence could always be explained away as “resistance” or “denial” on the part of the patient, meaning the theory is immune to disconfirmation.
For this reason, critics argue the case lacks the scientific rigour required to support universal claims about child development.
Even if Hans did have a fully developed Oedipus complex, this would demonstrate only that such a complex might exist in one case, not that it is universal, as Freud claimed.
The Freud Archives
In 2004, the Freud Archives released a number of key documents which helped to complete the context of the case of little Hans (whose real name was Herbert Graf).
The released works included the transcript of an interview conducted by Kurt Eissler in 1952 with Max Graf (little Hans’s father) as well as notes from brief interviews with Herbert Graf and his wife in 1959.
Such documents have provided some key details that may alter the way information from the original case is interpreted.
For example, Hans’s mother had been a patient of Freud herself.
Another noteworthy detail was that Freud gave little Hans a rocking horse for his third birthday and was sufficiently well acquainted with the family to carry it up the stairs himself.
It is interesting to question why, in the light of Hans’s horse phobia, details of the presence of the gift were not mentioned in the case study (since it would have been possible to do so without breaking confidentiality for either the family or Freud himself).
Information from the archived documents reveal much conflict within the Graf family. Blum (2007, p. 749) concludes that:
“Trauma, child abuse [of Hans’s little sister], parental strife, and the preoedipal mother-child relationship emerge as important issues that intensified Hans’s pathogenic oedipal conflicts and trauma. With limited, yet remarkable help from his father and Freud, Little Hans nevertheless had the ego strength and resilience to resolve his phobia, resume progressive development, and forge a successful creative career.”
Alternative Explanation: Behaviorism
A simpler account of Hans’s phobia can be offered through behaviorist principles, without reference to unconscious conflict.
Classical conditioning explains how the phobia was acquired: witnessing the bus-horse collapse was an unconditioned stimulus producing extreme fright, and through association, horses became a conditioned stimulus automatically triggering fear.
Stimulus generalization then explains how Hans’s fear broadened from that specific horse to all horses and to heavy vehicles resembling the bus.
Operant conditioning explains how the phobia was maintained: by refusing to leave the house, Hans avoided horses and experienced immediate relief. This negative reinforcement perpetuated and strengthened his avoidance behavior.
Eysenck and Rachman drew explicit parallels between this case and Watson’s “Little Albert” experiment, in which an infant was conditioned to fear a white rat through loud noise, with the fear then generalizing to other furry objects.
To a behaviorist, Little Hans was simply a naturally occurring version of Little Albert.
Gross cites an additional alternative offered by Slap (an American psychoanalyst): shortly after the phobia began, Hans had his tonsils removed, and the phobia subsequently worsened.
Slap suggests that the sight of the white-gowned surgeon may have contributed significantly to Hans’s specific fear of white horses.
Alternative Explanation: Bowlby’s Attachment Theory
John Bowlby reappraised the case and argued that Hans’s phobia was rooted in separation anxiety rather than castration anxiety, and that Freud had fundamentally misdiagnosed the boy.
Crucially, Bowlby based his counter-argument entirely on evidence within Freud’s own published text.
Bowlby found that Hans’s mother regularly used threats of abandonment as a disciplinary tool.
#Hans explicitly told his father, “Mummy’s told me she won’t come back,” to which the father replied, “She said that because you were naughty.”
The week before the phobia fully emerged, Hans had woken crying from a dream that his mother was gone, and he repeatedly cried in the street begging to be taken home to “coax” with her.
These were not symbolic or displaced anxieties, in Bowlby’s view, but responses to genuine and well-founded fears of maternal desertion.
Bowlby also pointed out that the actual castration threats in the case came from the mother, not the father, directly undermining Freud’s account of who Hans feared and why.
He further noted that Hans’s specific fear of white horses biting him was directly linked to witnessing his friend Lizzi depart in a horse-drawn cart, with her father warning her that the horse would bite.
To Bowlby, horses were associated in Hans’s mind with departures, not with paternal authority.
From this perspective, Hans’s refusal to leave the house was a straightforward and logical survival mechanism: by staying home, he ensured his mother could not leave while he was away.
The phobia required no recourse to unconscious Oedipal conflict to explain it.
References
Bierman, J. S. (2007). The psychoanalytic process in the treatment of Little Hans. Psychoanalytic Study of the Child, 62, 92–110.
Wakefield, J. C. (2007). Attachment and sibling rivalry in Little Hans: The fantasy of the two giraffes revisited. Journal of the American Psychoanalytic Association, 55(3), 821–848.
BSc (Hons) Psychology, MSc Psychology of Education
Associate Editor for Simply Psychology
Olivia Guy-Evans is a writer and associate editor for Simply Psychology, where she contributes accessible content on psychological topics. She is also an autistic PhD student at the University of Birmingham, researching autistic camouflaging in higher education.
BSc (Hons) Psychology, MRes, PhD, University of Manchester
Saul McLeod, PhD, is a qualified psychology teacher with over 18 years of experience in further and higher education. He has been published in peer-reviewed journals, including the Journal of Clinical Psychology.
