Hans Dülfer 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...

 mountain climber (23 May 1892 in Barmen

Barmen

Barmen is a former industrial metropolis of the region of Bergisches Land, Germany, which in 1929 with four other towns was merged with the city of Wuppertal, North Rhine-Westphalia. Barmen was the birth-place of Friedrich Engels and together with the neighbouring town of Elberfeld founded the...

 / Wuppertal

Wuppertal

Wuppertal is a city in North Rhine-Westphalia, Germany. It is located in and around the Wupper river valley, and is situated east of the city of Düsseldorf and south of the Ruhr area. With a population of approximately 350,000, it is the largest city in the Bergisches Land...

 - 15 June 1915 in Arras

Arras

Arras is the capital of the Pas-de-Calais department in northern France. The historic centre of the Artois region, its local speech is characterized as a Picard dialect...

).

Dülfer started studying medicine

Medicine

Medicine is the science and art of healing. It encompasses a variety of health care practices evolved to maintain and restore health by the prevention and treatment of illness....

 from 1911 in 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...

, and then changed to law

Law

Law is a system of rules and guidelines which are enforced through social institutions to govern behavior, wherever possible. It shapes politics, economics and society in numerous ways and serves as a social mediator of relations between people. Contract law regulates everything from buying a bus...

 and later to philosophy

Philosophy

Philosophy is the study of general and fundamental problems, such as those connected with existence, knowledge, values, reason, mind, and language. Philosophy is distinguished from other ways of addressing such problems by its critical, generally systematic approach and its reliance on rational...

. The proximity of the Alps

Alps

The Alps is one of the great mountain range systems of Europe, stretching from Austria and Slovenia in the east through Italy, Switzerland, Liechtenstein and Germany to France in the west....

 enticed him to make 50 first ascent

First ascent

In climbing, a first ascent is the first successful, documented attainment of the top of a mountain, or the first to follow a particular climbing route...

s, particularly the Kaisergebirge

Kaisergebirge

The Kaisergebirge is a mountain range in the Northern Limestone Alps and Eastern Alps. It consists of two main mountain ridges – the Zahmer Kaiser to the north and the Wilder Kaiser to the south. The entire range is situated in the Austrian state of Tyrol between the town of Kufstein and the...

 (in the Northern Limestone Alps

Northern Limestone Alps

The Northern Limestone Alps are the ranges of the Eastern Alps north of the Central Eastern Alps located in Austria and the adjacent Bavarian lands of southeastern Germany. The distinction from the latter group, where the higher peaks are located, is based on differences in geological composition...

) and in the Rosengarten

Rosengarten

Rosengarten may refer to:* the German word for "rose garden".* Rosengarten, Lower Saxony, a municipality in Lower Saxony, Germany* Rosengarten, Baden-Württemberg, a municipality in Baden-Württemberg, Germany* Rosengarten group , a massif in the Dolomites...

 in the Dolomites

Dolomites

The Dolomites are a mountain range located in north-eastern Italy. It is a part of Southern Limestone Alps and extends from the River Adige in the west to the Piave Valley in the east. The northern and southern borders are defined by the Puster Valley and the Sugana Valley...

.

• 1911 Dülfer-Kamin am Totenkirchl
  Totenkirchl
  The Totenkirchl is mountain, 2,190 m high, in the Wilder Kaiser range in the Northern Limestone Alps in Austria, east of Kufstein in Tyrol....
  
   (literal English: Duelfer chimney at the dead church)
• 1912 Fleischbank-Ostwand (literal English: meat-bank east wall)
• 1913 Dülfer-Riss der Fleischbank (literal English: Duelfer crack of the meat bank)

Dülfer developed several early climbing techniques, such as the Dulfersitz rappel, a basic emergency abseil skill.

He died in World War I

World War I

World War I , which was predominantly called the World War or the Great War from its occurrence until 1939, and the First World War or World War I thereafter, was a major war centred in Europe that began on 28 July 1914 and lasted until 11 November 1918...

.