Karl Weigert, Carl Weigert (born at Münsterberg

Ziebice

Ziębice is a town in Ząbkowice Śląskie County, Lower Silesian Voivodeship, in south-western Poland. It is the seat of the administrative district called Gmina Ziębice. Prior to 1945 it was in Germany...

 in Silesia, 19 March 1845; died at Frankfort-on-the-Main, 5 August 1904) was a German

Germany

Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...

 Jewish pathologist.

He received his education at the universities of Berlin

Berlin

Berlin is the capital city of Germany and is one of the 16 states of Germany. With a population of 3.45 million people, Berlin is Germany's largest city. It is the second most populous city proper and the seventh most populous urban area in the European Union...

, Vienna

Vienna

Vienna is the capital and largest city of the Republic of Austria and one of the nine states of Austria. Vienna is Austria's primary city, with a population of about 1.723 million , and is by far the largest city in Austria, as well as its cultural, economic, and political centre...

, and Breslau, graduating in 1868. After having taken part in the Franco-Prussian war

Franco-Prussian War

The Franco-Prussian War or Franco-German War, often referred to in France as the 1870 War was a conflict between the Second French Empire and the Kingdom of Prussia. Prussia was aided by the North German Confederation, of which it was a member, and the South German states of Baden, Württemberg and...

 as assistant surgeon he settled in Breslau, and for the following two years was assistant to Heinrich Waldeyer

Heinrich Wilhelm Gottfried von Waldeyer-Hartz

Heinrich Wilhelm Gottfried von Waldeyer-Hartz was a German anatomist, famous for consolidating the neuron theory of organization of the nervous system and for naming the chromosome...

; from 1870 to 1874 to Lebert

Hermann Lebert

Hermann Lebert was a German physician.He studied medicine and the natural sciences first in Berlin and later in Zurich under Johann Lukas Schönlein. After he received his medical doctorate , he traveled throughout Switzerland, studying botany...

, and then to Cohnheim, who he followed to Leipzig

Leipzig

Leipzig Leipzig has always been a trade city, situated during the time of the Holy Roman Empire at the intersection of the Via Regia and Via Imperii, two important trade routes. At one time, Leipzig was one of the major European centres of learning and culture in fields such as music and publishing...

in 1878. There he became assistant professor of pathology at the university in 1879. In 1884 he was appointed professor of pathological anatomy at the Senkenbergsche Stiftung in Frankfort-on-the-Main, and received the title of "Geheimer Medizinal-Rat" in 1899.

Weigert assisted Cohnheim in many of his researches, and wrote much on the staining of bacteria in microscopy. He contributed many essays to medical journals. Among his works are: "Zur Anatomie der Pocken" (Breslau, 1874); "Färbung der Bacterien mit Anilinfarben" (ib. 1875); "Nephritis" (Leipzig, 1879); "Fibrinfärbung" (1886); "Beiträge zur Kenntniss der Normalen Menschlichen Neuroglia" (Frankfort-on-the-Main, 1895); "Elastische Fasern" (ib. 1898).