{"name": "Ludwig Keller", "personal_name": "Ludwig Keller", "remote_ids": {"viaf": "72204638", "wikidata": "Q214899", "isni": "0000000109147787", "lc_naf": "n90702871", "opac_sbn": "SBLV187836"}, "death_date": "1915", "birth_date": "1849", "type": {"key": "/type/author"}, "key": "/authors/OL598828A", "latest_revision": 6, "revision": 6, "created": {"type": "/type/datetime", "value": "2008-04-01T03:28:50.625462"}, "last_modified": {"type": "/type/datetime", "value": "2025-08-01T00:21:52.062026"}}