Richard Dedekind
6 October 1831 — 12 February 1916
Julius Wilhelm Richard Dedekind was a German mathematician who made important contributions to number theory, abstract algebra, and the axiomatic foundations of arithmetic. His best known contribution is the definition of real numbers through the notion of Dedekind cut. He is also considered a pioneer in the development of modern set theory and of the philosophy of mathematics known as logicism.
A memorial on Digital Cemetery, an endless map you can explore. This grave stands at coordinates 38, 26.