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 highclass 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, 18451918
