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As a son of Christian parents with Jewish backgrounds, I gave special attention to theologians' arguments regarding infinity.

My studies focused on philosophy, mathematics, and physics, ending with a doctoral degree in number theory.

I was the first to show that a proper subset could have the same number of numbers as the full set.

I built a hierarchy and an arithmetic of infinities, now called transfinite arithmetic.

All of my efforts to publish and attain a high-class professorship were thwarted by the negative interference of Kronecker...to the extend that I had a nervous breakdown.

I once said: "The essence of mathematics lies in its freedom."

Answer: Georg Cantor, 1845-1918