Friedrich Ratzel
| Friedrich Ratzel | |
|---|---|
| Friedrich Ratzel | |
| Born | August 30, 1844 | 
| Died | August 9, 1904 (aged 59) | 
| 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.