File:Lothar Collatz.jpg
Lothar_Collatz.jpg (305 × 400 pixels, file size: 14 KB, MIME type: image/jpeg)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 20:51, 7 September 2009 | 305 × 400 (14 KB) | RayAYang | {{Information |Description={{en|1=German mathematician Lothar Collatz in undated photo. }} |Source=http://owpdb.mfo.de/detail?photo_id=698 |Author=Jacobs, Konrad |Date= |Permission={{cc-by-sa-2.0-de}} |other_versions= }} [[Category:20th century mathemati |
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