WordNet (r) 3.0 (2006):

Andrei Markov
    n 1: Russian mathematician (1856-1922) [syn: Markov, Andrei
         Markov, Markoff, Andre Markoff]

The Free On-line Dictionary of Computing (30 December 2018):

Andrei Markov

    1856-1922.  The Russian mathematician, after who
   Markov chains were named.

   Biography

(http://www-groups.dcs.st-and.ac.uk/~history/Mathematicians/Markov.html).

   [Other contributions?]

   (1995-10-06)