Leopold Kronecker
7 December 1823 — 29 December 1891
Leopold Kronecker was a German mathematician who worked on number theory, abstract algebra and logic, and criticized Georg Cantor's work on set theory. Heinrich Weber quoted Kronecker
as having said, "Die ganzen Zahlen hat der liebe Gott gemacht, alles andere ist Menschenwerk" .
Kronecker was a student and life-long friend of Ernst Kummer.
A memorial on Digital Cemetery, an endless map you can explore. This grave stands at coordinates 22, 18.