Otto Hölder Created 2026-10-18 Updated 2026-10-24
Figure 1.
Portrait of Otto Hölder
. Studio inscription: H. Brandseph, Stuttgart. Kunstbibliothek Berlin, accession 1992,32/003a.105; scan from Reinhard Bölling’s Das Fotoalbum für Weierstraß (1994); crop uploaded by Sebastian Wallroth. Commons claims origin/life-plus-100-or-shorter public domain, author death in 1907, and pre-1931 United States publication. Source usage terms, via Wikimedia Commons. Source.