{"personal_name": "John W. Duffield", "birth_date": "1912", "key": "/authors/OL1469324A", "type": {"key": "/type/author"}, "name": "John W. Duffield", "alternate_names": ["John Warren Duffield"], "latest_revision": 3, "revision": 3, "created": {"type": "/type/datetime", "value": "2008-04-01T03:28:50.625462"}, "last_modified": {"type": "/type/datetime", "value": "2025-04-16T01:27:23.302988"}}