Joachim Martin | |
|---|---|
| Born | April 18, 1842 |
| Died | 1897 (aged 54–55) Les Crottes, Hautes-Alpes, French Republic |
| Nationality | French |
| Occupation | Carpenter |
| Known for | Hiding a diary under the floorboards of Château de Picomtal |
Joachim Martin (1842–1897) was a carpenter from the village of Les Crottes, in the French Alps, who left a secret diary underneath the floorboards of the Château de Picomtal.[1]