Walther Penck was an Austria

Austria

Austria , officially the Republic of Austria , is a landlocked country of roughly 8.4 million people in Central Europe. It is bordered by the Czech Republic and Germany to the north, Slovakia and Hungary to the east, Slovenia and Italy to the south, and Switzerland and Liechtenstein to the...

n geographer

Geography

Geography is the science that studies the lands, features, inhabitants, and phenomena of Earth. A literal translation would be "to describe or write about the Earth". The first person to use the word "geography" was Eratosthenes...

, born in 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...

 as son of geographer Albrecht Penck

Albrecht Penck

Albrecht Penck , was a German geographer and geologist and the father of Walther Penck.Born in Reudnitz near Leipzig, Penck became a university professor in Vienna from 1885 to 1906, and in Berlin from 1906 to 1927. There he was also the director of the Institute and Museum for Oceanography by 1918...

.

Walther Penck worked 1912-1914 in Argentina

Argentina

Argentina , officially the Argentine Republic , is the second largest country in South America by land area, after Brazil. It is constituted as a federation of 23 provinces and an autonomous city, Buenos Aires...

 as a geographer, and is best known for his contributions to the field of geomorphology

Geomorphology

Geomorphology is the scientific study of landforms and the processes that shape them...

. In particular he opposed key elements of the Davisian

William Morris Davis

William Morris Davis was an American geographer, geologist, geomorphologist, and meteorologist, often called the "father of American geography"....

 cycle of erosion

Cycle of erosion

The cycle of erosion was a model for stream erosion and landscape development proposed by William Morris Davis in the late 19th century. Davis' Stages in the fluvial cycle of erosion published in 1909 defined a young, mature, and old sequence in the development of river valleys and the landscape...

, concluding that the process of uplift and denudation occur simultaneously, at a gradual and continuous rate. His book, Morphological Analysis of Landforms, was published posthumously in 1924 by his father.

He died in Stuttgart

Stuttgart

Stuttgart is the capital of the state of Baden-Württemberg in southern Germany. The sixth-largest city in Germany, Stuttgart has a population of 600,038 while the metropolitan area has a population of 5.3 million ....

, Germany

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...

.