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File:Frederick C Ahrens 36648505 Columbia PhD 1950.jpg
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Size of this preview: 734 × 600 pixels. Other resolution: 1,125 × 919 pixels.
Original file (1,125 × 919 pixels, file size: 95 KB, MIME type: image/jpeg)
Summary[edit | edit source]
Columbia University Ph.D. diploma for Frederick Christian Ahrens, 8 June 1950 (signed by President Dwight D. Eisenhower).
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 03:22, 18 September 2026 | | 1,125 × 919 (95 KB) | Admin (talk | contribs) | Columbia University Ph.D. diploma for Frederick Christian Ahrens, 8 June 1950 (signed by President Dwight D. Eisenhower). |
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