Georg Cantor. Set Theory, Cantor s Theorem, Transfinite Number, Leopold Kronecker, David Hilbert, ETH Zurich, Continuum Hypothesis, Bijection, Cantor Cube, Cantor Space, Back-and-Forth Method, Cantor Function, Heine Cantor Theorem, Controversy over Cantor s Theory, Men of Mathematics, Ludwig Wittgenstein, Richard Dedekind, Article Sources and Contributors, Image Sources, Licenses and Contributors