18 December 2010 11:00
![](https://blogmarks.net/screenshots/2010/12/18/00b17b22b0d151628a0db179267bbf4b.jpg)
Sam Loyd
Admirateur du Tangram, Sam Loyd a publié un ouvrage contenant 700 nouveaux dessins, ainsi qu'une histoire sur l'origine du casse-tête.
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