Sofya Vasilyevna Kovalevskaya
Sofya Kovalevskaya was born in 1850. She became well known throughout Europe as a mathematician.
She found it difficult to obtain an academic post in Europe as a woman, but she finally obtained a lectureship at Stockholm, followed by a professorship in 1889.
The work she well known for are on Abelian integrals, partial differential equations and the form of Saturn's rings. She was also a well known novelist. She died in 1891.