Hans Gerhard Creutzfeldt
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Hans Gerhard Creutzfeldt (June 2, 1885 – December 30, 1964) was a German
neurologist Neurology (from el, νεῦρον (neûron), "string, nerve" and the suffix -logia, "study of") is the branch of medicine dealing with the diagnosis and treatment of all categories of conditions and disease involving the brain, the spinal c ...
and neuropathologist. Although he is typically credited as the physician to first describe the
Creutzfeldt–Jakob disease Creutzfeldt–Jakob disease (CJD), also known as subacute spongiform encephalopathy or neurocognitive disorder due to prion disease, is an invariably fatal degenerative brain disorder. Early symptoms include memory problems, behavioral changes ...
, this has been disputed. He was born in Harburg upon Elbe and died in
Munich Munich ( ; german: München ; bar, Minga ) is the capital and most populous city of the German state of Bavaria. With a population of 1,558,395 inhabitants as of 31 July 2020, it is the third-largest city in Germany, after Berlin and ...
.


Biography

Creutzfeldt was born into a medical family in Harburg, which was incorporated into
Hamburg Hamburg (, ; nds, label=Hamburg German, Low Saxon, Hamborg ), officially the Free and Hanseatic City of Hamburg (german: Freie und Hansestadt Hamburg; nds, label=Low Saxon, Friee un Hansestadt Hamborg),. is the List of cities in Germany by popul ...
in 1937. In 1903, at the age of 18, he was drafted into the German army and spent his service stationed in Kiel. Afterwards, he attended the School of Medicine of the
University of Jena The University of Jena, officially the Friedrich Schiller University Jena (german: Friedrich-Schiller-Universität Jena, abbreviated FSU, shortened form ''Uni Jena''), is a public research university located in Jena, Thuringia, Germany. The ...
and the
University of Rostock The University of Rostock (german: link=no, Universität Rostock) is a public university located in Rostock, Mecklenburg-Vorpommern, Germany. Founded in 1419, it is the third-oldest university in Germany. It is the oldest university in continen ...
, receiving his doctorate at the latter in 1909. Part of his practical training was undertaken at ''St. Georg'' – Hospital in Hamburg. After qualification he sought adventure as a ship's surgeon, voyaging the
Pacific Ocean The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the conti ...
, taking the opportunity to study local crafts, linguistics, and tropical plants. After returning to
Germany Germany,, officially the Federal Republic of Germany, is a country in Central Europe. It is the second most populous country in Europe after Russia, and the most populous member state of the European Union. Germany is situated betwee ...
in 1912, Creutzfeldt worked at the Neurological Institute in
Frankfurt am Main Frankfurt, officially Frankfurt am Main (; Hessian: , " Frank ford on the Main"), is the most populous city in the German state of Hesse. Its 791,000 inhabitants as of 2022 make it the fifth-most populous city in Germany. Located on it ...
, at the psychiatric-neurological clinics in Breslau,
Kiel Kiel () is the capital and most populous city in the northern German state of Schleswig-Holstein, with a population of 246,243 (2021). Kiel lies approximately north of Hamburg. Due to its geographic location in the southeast of the Jutland ...
and
Berlin Berlin ( , ) is the capital and largest city of Germany by both area and population. Its 3.7 million inhabitants make it the European Union's most populous city, according to population within city limits. One of Germany's sixteen constitu ...
, and at the '' Deutsche Forschungsanstalt für Psychiatrie'' in
Munich Munich ( ; german: München ; bar, Minga ) is the capital and most populous city of the German state of Bavaria. With a population of 1,558,395 inhabitants as of 31 July 2020, it is the third-largest city in Germany, after Berlin and ...
. During the
First World War World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was List of wars and anthropogenic disasters by death toll, one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, ...
, Creutzfeldt was deployed as a reserve medical officer and survived the sinking of the auxiliary cruiser
SMS Greif Several ships of the German and Austro-Hungarian Navies have been named SMS ''Greif'' *, an Austro-Hungarian aviso originally launched in 1857 as the merchant paddle steamer ''Jupiter'' *, a German aviso launched in 1886 *, an Austro-Hungarian to ...
, on which he was embarked. After being captured on February 29, 1916, he was repatriated as a doctor in May of that year and served in the Imperial Navy until the end of the war in 1918. Creutzfeldt was habilitated at Kiel in 1920, and in 1925 became ''Extraordinarius'' of
psychiatry Psychiatry is the specialty (medicine), medical specialty devoted to the diagnosis, prevention, and treatment of mental disorders. These include various maladaptations related to mood, behaviour, cognition, and perceptions. See glossary of psych ...
and
neurology Neurology (from el, νεῦρον (neûron), "string, nerve" and the suffix -logia, "study of") is the branch of medicine dealing with the diagnosis and treatment of all categories of conditions and disease involving the brain, the spinal ...
. In 1938 he was appointed professor and director of the university psychiatric and neurological division in Kiel. He helped to recognize a neurodegenerative disease, with
Alfons Maria Jakob Alfons Maria Jakob (2 July 1884 – 17 October 1931) was a German neurologist who worked in the field of neuropathology. He was born in Aschaffenburg, Bavaria and educated in medicine at the universities of Munich, Berlin, and Strasbourg, whe ...
,
Creutzfeldt–Jakob disease Creutzfeldt–Jakob disease (CJD), also known as subacute spongiform encephalopathy or neurocognitive disorder due to prion disease, is an invariably fatal degenerative brain disorder. Early symptoms include memory problems, behavioral changes ...
in which the
brain tissue The human brain is the central organ of the human nervous system, and with the spinal cord makes up the central nervous system. The brain consists of the cerebrum, the brainstem and the cerebellum. It controls most of the activities of th ...
develops holes and takes on a sponge-like texture. It is now known it is due to a type of infectious
protein Proteins are large biomolecules and macromolecules that comprise one or more long chains of amino acid residues. Proteins perform a vast array of functions within organisms, including catalysing metabolic reactions, DNA replication, res ...
called a prion. Prions are misfolded proteins which replicate by converting their properly folded counterparts. In
Nazi Germany Nazi Germany (lit. "National Socialist State"), ' (lit. "Nazi State") for short; also ' (lit. "National Socialist Germany") (officially known as the German Reich from 1933 until 1943, and the Greater German Reich from 1943 to 1945) was ...
, Creutzfeldt became a Patron Member of
Heinrich Himmler Heinrich Luitpold Himmler (; 7 October 1900 – 23 May 1945) was of the (Protection Squadron; SS), and a leading member of the Nazi Party of Germany. Himmler was one of the most powerful men in Nazi Germany and a main architect of th ...
's SS from 1932 to 1933.


Later life

Creutzfeldt was 54 years old when the
Second World War World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposi ...
broke out. He was unmoved by the
Nazi regime Nazi Germany (lit. "National Socialist State"), ' (lit. "Nazi State") for short; also ' (lit. "National Socialist Germany") (officially known as the German Reich from 1933 until 1943, and the Greater German Reich from 1943 to 1945) was ...
and was able to save some people from death in
concentration camp Internment is the imprisonment of people, commonly in large groups, without charges or intent to file charges. The term is especially used for the confinement "of enemy citizens in wartime or of terrorism suspects". Thus, while it can simpl ...
s and also managed to rescue almost all of his patients from being murdered under the Nazi
Aktion T4 (German, ) was a campaign of mass murder by involuntary euthanasia in Nazi Germany. The term was first used in post- war trials against doctors who had been involved in the killings. The name T4 is an abbreviation of 4, a street address o ...
euthanasia program, an unusual event since most mental patients identified by T4 personnel were gassed or poisoned at separate euthanasia clinics such as
Hadamar Euthanasia Centre The Hadamar killing centre (german: NS-Tötungsanstalt Hadamar) was a killing facility involved in the Nazi "involuntary euthanasia" programme known as ''Aktion T4''. It was housed within a psychiatric hospital located in the German town of Had ...
. During the war, bombing raids destroyed his home and clinic. After the war he was director of the
University of Kiel Kiel University, officially the Christian-Albrecht University of Kiel, (german: Christian-Albrechts-Universität zu Kiel, abbreviated CAU, known informally as Christiana Albertina) is a university in the city of Kiel, Germany. It was founded in ...
for six months, before being dismissed by the British occupation forces. His efforts to rebuild the university caused a series of conflicts with the British because he wanted to allow more former army officers to study there. Creutzfeldt resigned from his work at Kiel in 1953 in order to pursue life as professor emeritus in
Munich Munich ( ; german: München ; bar, Minga ) is the capital and most populous city of the German state of Bavaria. With a population of 1,558,395 inhabitants as of 31 July 2020, it is the third-largest city in Germany, after Berlin and ...
.


Personal life

He was married to Clara Sombart, a daughter of
Werner Sombart Werner Sombart (; ; 19 January 1863 – 18 May 1941) was a German economist and sociologist, the head of the "Youngest Historical School" and one of the leading Continental European social scientists during the first quarter of the 20th century. ...
. They had five children, among them
Otto Detlev Creutzfeldt Otto Detlev Creutzfeldt (1 April 1927 – 23 January 1992) was a German physiologist and neurologist. He was the son of Hans Gerhard Creutzfeldt and the younger brother of Werner Creutzfeldt, a professor of internal medicine. Career A remarkable ...
and Werner Creutzfeldt (1924–2006), a renowned German Internist. He died in 1964 in Munich.


See also

*
Creutzfeldt–Jakob disease Creutzfeldt–Jakob disease (CJD), also known as subacute spongiform encephalopathy or neurocognitive disorder due to prion disease, is an invariably fatal degenerative brain disorder. Early symptoms include memory problems, behavioral changes ...
, a subacute spongiform encephalopathy caused from
prions Prions are misfolded proteins that have the ability to transmit their misfolded shape onto normal variants of the same protein. They characterize several fatal and transmissible neurodegenerative diseases in humans and many other animals. It i ...
involving the
cerebral cortex The cerebral cortex, also known as the cerebral mantle, is the outer layer of neural tissue of the cerebrum of the brain in humans and other mammals. The cerebral cortex mostly consists of the six-layered neocortex, with just 10% consistin ...
, the
basal ganglia The basal ganglia (BG), or basal nuclei, are a group of subcortical nuclei, of varied origin, in the brains of vertebrates. In humans, and some primates, there are some differences, mainly in the division of the globus pallidus into an exter ...
and the
spinal cord The spinal cord is a long, thin, tubular structure made up of nervous tissue, which extends from the medulla oblongata in the brainstem to the lumbar region of the vertebral column (backbone). The backbone encloses the central canal of the sp ...
. *
Adrenoleukodystrophy Adrenoleukodystrophy (ALD) is a disease linked to the X chromosome. It is a result of fatty acid buildup caused by peroxisomal fatty acid beta oxidation which results in the accumulation of very long chain fatty acids in tissues throughout the b ...
, a rare demyelination disorder also known as Siemerling-Creutzfeldt Disease causing progressive brain damage, adrenal failure, and eventually death.


References

{{DEFAULTSORT:Creutzfeldt, Hans Gerhard 1885 births 1964 deaths German neuroscientists German pathologists Förderndes Mitglied der SS German neurologists History of psychiatry Physicians of the Charité Imperial German Navy personnel of World War I University of Jena alumni University of Rostock alumni