Friedrich Ratzel | |
|---|---|
 Friedrich Ratzel | |
| Born | August 30, 1844 |
| Died | August 9, 1904 (aged 59) Ammerland, Lake Starnberg, Bavaria |
| Nationality | German |
| Education | University of Heidelberg University of Jena Humboldt University of Berlin |
| Known for | Concept of lebensraum |
| Scientific career | |
| Fields | Geography Ethnography |
| Institutions | Leipzig University |
Friedrich Ratzel (August 30, 1844 – August 9, 1904) was a German geographer and ethnographer, notable for first using the term Lebensraum ("living space") in the sense that the National Socialists later would.