Image: https://cdn.xn--cumpleaosdefamosos-t0b.com/gallery/2017/1/leonhard-euler/leonhard.jpg
Leonhard Euler
professions.matematico de Suiza
Image: https://cdn.xn--cumpleaosdefamosos-t0b.com/gallery/2017/1/leonhard-euler/leonhard.jpg
professions.matematico de Suiza