File:Donald A. Cohen.jpg
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![File:Donald A. Cohen.jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/1/17/Donald_A._Cohen.jpg/503px-Donald_A._Cohen.jpg?20191016174043)
Size of this preview: 503 × 599 pixels. Other resolutions: 201 × 240 pixels | 403 × 480 pixels | 644 × 768 pixels | 1,059 × 1,262 pixels.
Original file (1,059 × 1,262 pixels, file size: 342 KB, MIME type: image/jpeg)