# Carl Behr

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{{Short description|German ophthalmologist (1874–1943)}}
{{Distinguish|Karl Behr}}
'''Carl Julius Peter Behr''' (28 October 1874 – 16 November 1943) was a German [ophthalmologist](/source/ophthalmologist) born in [Hamburg](/source/Hamburg). In 1909 he described an hereditary syndrome of optic and [neurologic](/source/neurologic) disorders now known as [Behr's syndrome](/source/Behr's_syndrome).

After attending several universities in Germany, he obtained his medical doctorate from the [University of Kiel](/source/University_of_Kiel) in 1900. Later he was an intern and assistant-physician at [Eppendorf](/source/University_Medical_Center_Hamburg-Eppendorf) and St. Georg's hospitals in Hamburg. In 1910 he was habilitated for ophthalmology at [Kiel](/source/Kiel), where in 1916 he became an associate professor. In 1923 he was appointed to the chair of ophthalmology at [University of Hamburg](/source/University_of_Hamburg).

Behr specialized in the study of [neuro-ophthalmological](/source/neuro-ophthalmology) disorders, making contributions in his research involving the pathological processes in [papilloedema](/source/papilloedema) and tabetic [optic atrophy](/source/optic_atrophy). His name is lent to "Behr's pupil", a slightly dilated [pupil](/source/pupil) in association with an [optic tract](/source/optic_tract) [lesion](/source/lesion) that is usually associated with a contralateral [hemiparesis](/source/hemiparesis).<ref>[https://books.google.com/books?id=B4V85KlNZfYC&dq=%22Behr's+pupil%22&pg=PA35] Neurologic examination by Robert J. Schwartzman</ref>

In 1933 Behr signed the ''[Vow of allegiance of the Professors of the German Universities and High-Schools to Adolf Hitler and the National Socialistic State](/source/Vow_of_allegiance_of_the_Professors_of_the_German_Universities_and_High-Schools_to_Adolf_Hitler_and_the_National_Socialistic_State)''.

== Written works ==
Among his scientific publications was ''Der Augenbefund in seiner diagnostischen und differentialdiagnostischen Bedeutung bei Tabes dorsalis, Lues cerebrospinalis, Multipler Sklerose'' (1936),<ref>[http://www.argosybooks.com/shop/argosy/79955] Argosy Books</ref> a neuro-ophthalmological analysis of eye disorders and their differential diagnostic relevance in [tabes dorsalis](/source/tabes_dorsalis), [lues cerebrospinalis](/source/neurosyphilis) and [multiple sclerosis](/source/multiple_sclerosis). Other noteworthy written works by Behr include:
* ''Die Lehre von den Pupillenbewegungen'' Berlin, (1925)
* ''Lider-Tränensekretion, Trigeminus, Pupille, Akkomodation, Heterochromie, Sympathikus'' (with [Hermann Wilbrand](/source/Hermann_Wilbrand)- 1851-1935). In: Handbuch der Neurologie des Auges, 1st supplementary volume, Munich 1927

== References ==
* [http://www.whonamedit.com/doctor.cfm/2571.html ''Carl Behr''] @ [Who Named It](/source/Who_Named_It)
{{reflist}}

{{Authority control}}
{{DEFAULTSORT:Behr, Carl}}
Category:German ophthalmologists
Category:Medical doctors from Hamburg
Category:Academic staff of the University of Kiel
Category:1874 births
Category:1943 deaths
Category:Academic staff of the University of Hamburg

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Adapted from the Wikipedia article [Carl Behr](https://en.wikipedia.org/wiki/Carl_Behr) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Carl_Behr?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.