German explorer, geographer, ethnologist, coal trimmer and author (1903–1991)
Top works
via Open Library + Wikidata
5 total works indexed
· 2005 · cited 18,369x
· 2015 · cited 17,367x
· 2012 · cited 11,674x
· 1901 · cited 9,378x
via Crossref · CC0
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).