{"personal_name": "Johann Jacob Engel", "type": {"key": "/type/author"}, "alternate_names": ["Johann Jakob Engel", "Johann Jackob Engel", "Johann Jakob] Engel"], "death_date": "1802", "name": "Johann Jacob Engel", "remote_ids": {"viaf": "44369039", "wikidata": "Q71442", "isni": "0000000116313050"}, "key": "/authors/OL679018A", "birth_date": "1741", "latest_revision": 7, "revision": 7, "created": {"type": "/type/datetime", "value": "2008-04-01T03:28:50.625462"}, "last_modified": {"type": "/type/datetime", "value": "2025-06-20T21:19:49.573794"}}