{"remote_ids": {"viaf": "245505250", "wikidata": "Q15445855", "isni": "0000000370078244"}, "name": "Carl Dietrich Leonhard Engel", "personal_name": "Carl Dietrich Leonhard Engel", "birth_date": "1824", "death_date": "1913", "source_records": ["bwb:9781021992802"], "type": {"key": "/type/author"}, "alternate_names": ["Karl Engel", "Karl Dietrich Leonhard Engel"], "key": "/authors/OL2498200A", "latest_revision": 4, "revision": 4, "created": {"type": "/type/datetime", "value": "2008-04-01T03:28:50.625462"}, "last_modified": {"type": "/type/datetime", "value": "2025-08-20T20:33:57.637869"}}