Pafnuty Chebyshev

lived from 1821 to 1894

Pafnuty Chebyshev is largely remembered for his investigations in number theory. Chebyshev was also interested in mechanics and is famous for the orthogonal polynomials he invented.

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