Peter Lax
Peter David Lax is a Hungarianborn American mathematician working in the areas of pure and applied mathematics. He has made important contributions to integrable systems, fluid dynamics and shock waves, solitonic physics, hyperbolic conservation laws, and mathematical and scientific computing, among other fields. Lax is listed as an ISI highly cited researcher.
Lax was born in Budapest, Hungary to a Jewish family. His parents Klara Kornfield and Henry Lax were both physicians, and his uncle, Albert Kornfeld , was a mathematician and a friend of Le Szilrd. Lax began displaying an interest in mathematics at age twelve, and soon his parents hired Rzsa Pter as a tutor for him.
Source: Wikipedia