Image: https://cdn.whensthebirthday.com/gallery/2017/1/dmitri-mendeleev/dmitri-mendeleev-el-quimico-ruso-es-una-fotografia-de-la-ciencia.jpg
Dmitri Mendeleev
professions.scientist de Rusia
Image: https://cdn.whensthebirthday.com/gallery/2017/1/dmitri-mendeleev/dmitri-mendeleev-el-quimico-ruso-es-una-fotografia-de-la-ciencia.jpg
professions.scientist de Rusia