Leopold Kronecker
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Leopold Kronecker (December 7, 1823 – December 29, 1891) was a Prussian mathematician and logician who argued that arithmetic and analysis must be founded on "whole numbers."
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- God made the integers, all the rest is the work of man.
- Quoted in " Philosophies of Mathematics" - Page 13 - by Alexander George, Daniel J. Velleman - Philosophy - 2002