Riesz Marcell

Marcel Riesz (Hungarian: Riesz Marcell, pronounced [ˈriːs ˈmɒrtsɛlː]; 16 November 1886 – 4 September 1969) was a Hungarian-born mathematician, known for work on summation methods, potential theory, and other parts of analysis, as well as number theory, partial differential equations, and Clifford algebras. He spent most of his career in Lund (Sweden).