Andrei Andreevich Markov was a gifted Russian mathematician known for his work in number theory analysis and probability theory. Many of his papers were devoted to creating a new field of research, Markov chains. The solution of many fundamental problems of modern science and technology would not be possible without his contributions.

https://netfiles.uiuc.edu/meyn/www/spm_files/Markov-Work-and-life.pdf

http://en.wikipedia.org/wiki/Andrey_Markov

http://books.google.com/books?id=nnpChqstvg0C&pg=PA10&lpg=PA10&dq=andrei+markov+mathematician&source=bl&ots=lfKOcvBzUr&sig=lq1-itWmSQpowDJ4RrUD5NjU734&hl=en&ei=9PLZTLiTHcSt8Aan9-n3CQ&sa=X&oi=book_result&ct=result&resnum=1&ved=0CBcQ6AEwADgU#v=onepage&q=andrei%20markov%20mathematician&f=false

‪he universal book of mathematics: from Abracadabra to Zeno's paradoxes‬ By David J. Darling