Hermann Friedrich Lossen (November 7, 1842 – August 27, 1909) was a German surgeon

Surgeon

In medicine, a surgeon is a specialist in surgery. Surgery is a broad category of invasive medical treatment that involves the cutting of a body, whether human or animal, for a specific reason such as the removal of diseased tissue or to repair a tear or breakage...

 born in Emmershäuser Hütte, Hesse

Hesse

Hesse or Hessia is both a cultural region of Germany and the name of an individual German state.* The cultural region of Hesse includes both the State of Hesse and the area known as Rhenish Hesse in the neighbouring Rhineland-Palatinate state...

.

He studied under Carl von Voit

Carl von Voit

Carl von Voit was a German physiologist and dietitian.Von Voit was born in Amberg. From 1848 to 1854 he studied medicine in Munich and Würzburg; habilitation in 1857 at the University of Munich, professor of physiology since 1860, as well as curator of the physiological collection.Carl von Voit is...

 (Munich

Munich

Munich The city's motto is "" . Before 2006, it was "Weltstadt mit Herz" . Its native name, , is derived from the Old High German Munichen, meaning "by the monks' place". The city's name derives from the monks of the Benedictine order who founded the city; hence the monk depicted on the city's coat...

), Friedrich Daniel von Recklinghausen

Friedrich Daniel von Recklinghausen

Friedrich Daniel von Recklinghausen was a German pathologist who practiced medicine in Würzburg and Strassburg . Born in Gütersloh, Westphalia, he was the father of physiologist Heinrich von Recklinghausen ....

 (Würzburg

Würzburg

Würzburg is a city in the region of Franconia which lies in the northern tip of Bavaria, Germany. Located at the Main River, it is the capital of the Regierungsbezirk Lower Franconia. The regional dialect is Franconian....

), Bernhard von Langenbeck

Bernhard von Langenbeck

Bernhard Rudolf Konrad von Langenbeck was a German surgeon known as the developer of Langenbeck's amputation and founder of Langenbeck's Archives of Surgery....

 (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...

) and Theodor Billroth

Theodor Billroth

Christian Albert Theodor Billroth was a German-born Austrian surgeon and amateur musician....

 (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...

), earning his medical doctorate in 1866 from the University of Würzburg

University of Würzburg

The University of Würzburg is a university in Würzburg, Germany, founded in 1402. The university is a member of the distinguished Coimbra Group.-Name:...

. In addition he served as an assistant to Richard von Volkmann

Richard von Volkmann

Richard von Volkmann , was a prominent German surgeon and poet.He was born in Leipzig in 1830, the son of A.W. Volkmann. Richard entered medical school in Berlin and graduated in 1854...

 at the University of Halle and to Gustav Simon

Gustav Simon (physician)

Gustav Simon was a German surgeon.In 1848 he earned his medical doctorate from the University of Giessen, and from 1848 to 1861 served as a military physician with a Hessian troop outfit. During this time he also worked at a small hospital in Darmstadt that he co-founded...

 at the University of Heidelberg. In 1866 he became habilitated for surgery at Heidelberg

Heidelberg

-Early history:Between 600,000 and 200,000 years ago, "Heidelberg Man" died at nearby Mauer. His jaw bone was discovered in 1907; with scientific dating, his remains were determined to be the earliest evidence of human life in Europe. In the 5th century BC, a Celtic fortress of refuge and place of...

, where in 1874 he was appointed associate professor.

Written works

Lossen was author of a revision of Carl Hueter

Carl Hueter

Carl Hueter was a German surgeon born in Marburg. He was the son of obstetrician Karl Christoph Hueter ....

's Grundriss der Chirurgie (Outline of Surgery), which was published over several editions. Other noted works by Lossen include:

• Über den Einfluss der Athembewegungen auf die Ausscheidung der Kohlensäure (1866)
• Die Verletzungen der unteren Extremitäten (1880)
• Allgemeines über Resectionen (1882)
• Die Resectionen der Knochen und Gelenke (1894)
• Grundriss der Frakturen und Luxationen (1897)