File:De Morgan's Portrait.jpg
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![File:De Morgan's Portrait.jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/9/91/De_Morgan%27s_Portrait.jpg/391px-De_Morgan%27s_Portrait.jpg?20170903220809)
Size of this preview: 391 × 600 pixels. Other resolutions: 156 × 240 pixels | 313 × 480 pixels | 705 × 1,081 pixels.
Original file (705 × 1,081 pixels, file size: 260 KB, MIME type: image/jpeg)