Tötungsanstalt Grafeneck

Grafeneck Castle, nestled in the wooded hills of the Swabian Alb in southern Germany, became the first centralised killing centre of Aktion T4, Nazi Germany's secret programme to systematically murder people with physical, intellectual and mental disabilities. Between 18 January and 13 December 1940, at least 10,654 men and women were murdered there in a gas chamber disguised as a shower room. Although the facility operated for less than a year, Grafeneck marked the beginning of the Nazi regime's organised use of poison gas for mass murder and served as a blueprint for the extermination methods later employed during the Holocaust.

Originally established as a charitable care institution operated by the Samaritan Foundation (Samariterstiftung), Grafeneck was confiscated shortly after the outbreak of the Second World War. Hidden among forests and far from major population centres, the castle provided the secrecy the Nazi authorities required. Within months, the peaceful care home had been transformed into a highly organised killing centre complete with a gas chamber, crematorium, administrative offices and a registry office responsible for issuing falsified death certificates to conceal the murders.

Although Grafeneck claimed more than 10,600 lives, its importance extends far beyond the number of victims. Many of the personnel, administrative procedures and killing techniques developed there were later transferred to other Aktion T4 facilities and eventually to the Operation Reinhard extermination camps of Belzec, Sobibor and Treblinka.

Today, Grafeneck continues to operate as a residential care facility while also serving as an important memorial dedicated to the victims of Nazi persecution and the lessons of the past.

Quick Facts

Location: Grafeneck Castle, Gomadingen, Baden-Württemberg, Germany
Operational period: 18 January – 13 December 1940
Programme: Aktion T4 ("euthanasia" programme)
Victims: At least 10,654 disabled and mentally ill people
Method of murder: Carbon monoxide gas and cremation
Medical directors: Horst Schumann and later Ernst Baumhard
Administrative leader: Christian Wirth
Current status: Memorial site and residential care facility

The History of Grafeneck Castle

Grafeneck Castle stands on the Swabian Alb near the village of Gomadingen in present-day Baden-Württemberg. Surrounded by forests and rolling countryside, the estate was originally built around 1560 as a hunting lodge for the Dukes of Württemberg. During the eighteenth century, Duke Carl Eugen commissioned the construction of an impressive Rococo palace in front of the original castle. Although this palace was later demolished, Grafeneck remained an important estate throughout the following centuries and served various administrative purposes, including use by the regional Forest Service during the nineteenth century.

In 1904, the estate passed into private ownership before being purchased in 1928 by the Samaritan Foundation (Samariterstiftung), a charitable organisation of the German Lutheran Church. The following year, the foundation transformed the castle into a modern residential care home for men with physical and mental disabilities. Residents received accommodation, medical care and occupational therapy in peaceful surroundings that were considered ideal for rehabilitation and long-term care. For many patients, Grafeneck became their permanent home. This peaceful existence ended only weeks after the outbreak of the Second World War. On 6 October 1939, senior Nazi officials confiscated Grafeneck 'for the purposes of the Reich'.

Although the official reason was never disclosed to the staff, the castle had already been selected as the first centralised killing centre for the regime's secret Aktion T4 programme. Its isolated location, dense surrounding woodland and limited road access made it particularly suitable for carrying out mass murder away from public attention.

One week later, on 13 October 1939, District Administrator Richard Alber ordered that the institution be completely evacuated within twenty-four hours. Around 110 residents, together with members of the nursing staff, were transferred by bus to the St. Elizabeth Monastery in Reute. Although the evacuation caused considerable uncertainty for both patients and carers, it ultimately saved the lives of those who had been living at Grafeneck, as they escaped the fate that soon awaited thousands of others transported to the castle from institutions across southern Germany.

With the original residents removed, builders, engineers and Aktion T4 personnel arrived almost immediately to transform the former care institution into a highly organised killing centre. Over the following months, the castle was stripped of its humanitarian purpose and converted into a facility designed solely for systematic murder. What had once been a place of care and protection would become the first site where Nazi Germany perfected the methods of industrialised killing that later spread to the other Aktion T4 centres and, ultimately, to the extermination camps established during the Holocaust.

Grafeneck and Aktion T4

Aktion T4 was the secret Nazi programme established to murder people whom the regime considered "life unworthy of life" (*Lebensunwertes Leben*). Under the guise of medical treatment and public health, thousands of adults with physical disabilities, intellectual disabilities and mental illnesses were selected for systematic murder. Although Adolf Hitler signed a secret authorisation backdated to 1 September 1939, the programme was deliberately kept outside German law to maintain secrecy and provide those involved with a degree of plausible deniability. Grafeneck became the first purpose-built killing centre created for this programme and marked the beginning of centrally organised mass murder using poison gas.

Between October 1939 and January 1940, the former care institution underwent a rapid transformation. The castle itself became the administrative headquarters, housing offices, accommodation for senior personnel and a special registry office responsible for producing falsified death certificates. Outside, builders erected wooden barracks to accommodate approximately one hundred staff members, constructed parking areas for the grey transport buses and installed cremation ovens. An old coach house was converted into a gas chamber disguised as a communal shower room, allowing victims to be murdered without immediately realising their fate.

The location had been carefully selected. Situated in a remote part of the Swabian Alb and surrounded by dense woodland, Grafeneck was largely hidden from public view while remaining accessible by road. This combination of isolation and practicality allowed transport vehicles to arrive regularly without attracting significant attention from the surrounding population. The existing institutional buildings also reduced construction time, enabling the facility to become operational within only a few months of its confiscation.

Responsibility for organising the killing centre rested with a carefully selected group of doctors, administrators and SS personnel. Horst Schumann became Grafeneck's first medical director and supervised the beginning of the killing programme before being replaced in the spring of 1940 by Ernst Baumhard. Administrative operations were directed by Christian Wirth, whose responsibilities included overseeing security, supervising personnel and managing the Special Registry Office that concealed the true causes of death. Wirth would later become one of the principal organisers of Operation Reinhard, applying experience gained at Grafeneck to the extermination camps of Belzec, Sobibor and Treblinka.

Victims were transported to Grafeneck aboard the now infamous grey buses operated by the Gemeinnützige Krankentransport GmbH (Gekrat). Patients were collected from psychiatric hospitals and care institutions throughout southern Germany, including Baden, Württemberg, Bavaria, Hesse and North Rhine-Westphalia. Families were rarely informed of the patients' destination and often believed they had simply been transferred to another institution for specialised treatment. In reality, the journey to Grafeneck was almost always their last.

The first transport arrived on 18 January 1940, carrying twenty-five male patients from the Eglfing-Haar psychiatric hospital near Munich. Shortly after their arrival, they were led into the disguised gas chamber and murdered using chemically produced carbon monoxide supplied in steel cylinders. Their bodies were then cremated and their families later received falsified death certificates citing fabricated causes of death. From that day onward, killings were carried out on an almost daily basis, establishing Grafeneck as the first fully operational killing centre of Aktion T4.

Although Grafeneck operated for less than a year, it fundamentally changed the course of Nazi persecution. Here, physicians, administrators and technical personnel refined methods of deception, registration, transportation, gassing, cremation and bureaucratic concealment that would later be adopted at the other Aktion T4 killing centres. Many of the men who served at Grafeneck subsequently transferred to facilities such as Hadamar, while others played leading roles in Operation Reinhard, where the techniques first tested at Grafeneck were expanded to murder hundreds of thousands of Jews during the Holocaust.

The Murder of the Victims

Following the arrival of the first transport on 18 January 1940, the killing programme at Grafeneck quickly became a routine operation. Almost every day, grey buses operated by the Gemeinnützige Krankentransport GmbH (Gekrat) arrived carrying men and women from psychiatric hospitals, nursing homes and residential care institutions across southern Germany. Most victims came from Baden and Württemberg, but transports also arrived from Bavaria, Hesse and North Rhine-Westphalia as the geographical reach of Aktion T4 steadily expanded.

Upon arrival, patients were registered before being led into the former coach house, where the gas chamber had been disguised as a communal shower room. This deception reduced the likelihood of resistance and allowed the killings to be carried out efficiently. Once the victims had entered the chamber, the doors were sealed and chemically produced carbon monoxide was released from steel cylinders. Death usually followed within minutes. Afterwards, staff removed the bodies and cremated them in specially constructed ovens nearby. Personal belongings were collected, while official records were altered to conceal the true circumstances of each death.

Families were rarely informed of what had actually happened. Instead, they received letters stating that their relatives had died from natural causes or sudden illness, often accompanied by fabricated medical reports and falsified death certificates issued by the Special Registry Office at Grafeneck. Ashes were sometimes returned to relatives, although there was no guarantee they belonged to the deceased person named in the accompanying documents. The deception formed an essential part of Aktion T4, allowing the programme to continue in secrecy for many months.

By the end of 1940, Grafeneck had murdered at least 10,654 disabled and mentally ill people, although internal Aktion T4 statistics recorded a lower figure of 9,839.

Many victims had spent years living in institutions and were unable to understand why they had been selected. Others were transferred without the knowledge or consent of their families. They included men and women of different ages, professions and religious backgrounds whose only common characteristic was that the Nazi regime considered them a burden on society.

Closure of Grafeneck

Although Aktion T4 was designed as a secret programme, rumours surrounding Grafeneck spread rapidly throughout the surrounding region during 1940. Local residents noticed the frequent arrival of the grey buses, smoke rising from the crematorium and the unusual level of activity at the formerly quiet castle. Families also became increasingly suspicious after receiving similar letters describing sudden deaths shortly after relatives had been transferred to unknown institutions.

As concern grew, maintaining secrecy became increasingly difficult.

In response to growing public awareness and criticism, the Nazi authorities decided to close Grafeneck. The final gassings and cremations took place on 12–13 December 1940, bringing almost eleven months of systematic murder to an end. The buildings were subsequently reused to accommodate mothers and children evacuated from cities threatened by Allied bombing, masking the site's previous purpose from many outsiders.

The closure of Grafeneck did not mark the end of Aktion T4. Instead, many of its experienced personnel were transferred to other killing centres, including Hadamar, while figures such as Christian Wirth later assumed leading roles in Operation Reinhard. The methods first employed at Grafeneck, including the use of deception, poison gas, cremation and carefully organised transport systems, continued to evolve and would later be used on a far greater scale during the Holocaust. In this sense, Grafeneck was not simply the first Aktion T4 killing centre; it became an important precursor to the industrialised mass murder that followed across occupied Europe.

Key Dates

1928: The Samaritan Foundation purchases Grafeneck Castle.
1929: Grafeneck opens as a residential care home for men with physical and mental disabilities.
6 October 1939: The Nazi authorities confiscate Grafeneck for use by Aktion T4.
13 October 1939: Around 110 residents and staff are evacuated to Reute before the conversion of the site begins.
18 January 1940: The first victims are murdered using carbon monoxide gas.
Spring 1940: Ernst Baumhard succeeds Horst Schumann as medical director.
12–13 December 1940: The final gassings and cremations take place before the killing centre is closed.
1946–1947: Grafeneck is returned to the Samaritan Foundation and resumes its role as a care institution.
2005: The Grafeneck Memorial Documentation Centre officially opens.