Konstantin Andreev

Konstantin Alekseevich Andreev was a Russian mathematician, best known for his work on geometry, especially projective geometry. He was one of the founders of the Kharkov Mathematical Society. This society is one of the early mathematics societies in Russia and was founded in 1879.

Andreev was born in Moscow in a merchant family specialized in fur trading. When he was young, their business went into decline, and the family had to endure severe hardship. During that time, he also lost one eye in an accident that had delayed his studies he entered gymnasium only in 1860, at the age of 12. However, he rapidly progressed, especially in mathematics, and by the age ofstarted giving private lessons to earn money for his subsistence. In 1867, Andreev enrolled to the Mathematics Department of the Moscow University. As the fourth year he wrote an essay On the tables of mortality which was awarded gold medal by the faculty and published in the Scientific Memoirs of the Moscow University, thereby becoming his first scientific work. Andreev graduated in 1871 but remained at the faculty and within two years obtained a Master Diploma.

Source: Wikipedia