Mathematik.com

It's got a nice section on the big daddy of modern math:

https://en.wikipedia.org/wiki/Andrey_Kolmogorov :

    Fisher–Kolmogorov equation
    Johnson–Mehl–Avrami–Kolmogorov equation
    Kolmogorov axioms
    Kolmogorov equations (aka Fokker–Planck)
    Kolmogorov dimension 
    Kolmogorov–Arnold theorem
    Kolmogorov–Arnold–Moser theorem
    Kolmogorov continuity theorem
    Kolmogorov's criterion
    Kolmogorov extension theorem
    Kolmogorov's three-series theorem
    Convergence of Fourier series
    Gnedenko-Kolmogorov central limit theorem
    Quasi-arithmetic mean (aka Kolmogorov mean)
    Kolmogorov homology
    Kolmogorov's inequality
    Landau–Kolmogorov inequality
    Kolmogorov integral
    Brouwer–Heyting–Kolmogorov interpretation
    Kolmogorov microscales
    Kolmogorov's normability criterion
    Fréchet–Kolmogorov theorem
    Kolmogorov space
    Kolmogorov complexity
    Kolmogorov–Smirnov test
    Wiener filter (aka Wiener–Kolmogorov filtering theory)
    Wiener–Kolmogorov prediction
    Kolmogorov automorphism
    Kolmogorov's characterization of reversible diffusions
    Borel–Kolmogorov paradox
    Chapman–Kolmogorov equation
    Hahn–Kolmogorov theorem
    Johnson–Mehl–Avrami–Kolmogorov equation
    Kolmogorov–Sinai entropy
    Kolmogorov structure function
    Kolmogorov–Uspenskii machine model
    Kolmogorov's zero–one law
    Kolmogorov–Zurbenko filter
    Kolmogorov's two-series theorem
    Rao–Blackwell–Kolmogorov theorem
    Khinchin–Kolmogorov theorem
    Kolmogorov's Strong Law of Large Numbers