Mikhail Egorovich Vashchenko-Zakharchenko
was born 192 years ago
12th November 1825

Mikhail Vashchenko-Zakharchenko worked on the theory of linear differential equations, the theory of probability and non-euclidean geometry.

Find out more at:
http://www-history.mcs.st-andrews.ac.uk/Mathematicians/Vashchenko.html