Image: https://cdn.whensthebirthday.com/gallery/2017/1/sofia-kovalevskaya/sonya-kovalevsky.jpg
Sofia Kovalevskaya
Scientist de Russian Federation
Image: https://cdn.whensthebirthday.com/gallery/2017/1/sofia-kovalevskaya/sonya-kovalevsky.jpg
Scientist de Russian Federation