. . "1946Z"^^ . . . . . . "Enriques, Federigo"@en . . "Italian mathematician" . . "1871-01-05Z"^^ . "1871Z"^^ . "Federigo Enriques"@en . . . "Federigo Enriques (5 January 1871 \u2013 14 June 1946) was an Italian mathematician, now known principally as the first to give a classification of algebraic surfaces in birational geometry, and other contributions in algebraic geometry.He was born in Livorno, and brought up in Pisa, in a Sephardi Jewish family of Portuguese descent. He became a student of Guido Castelnuovo, and became an important member of the Italian school of algebraic geometry. He also worked on differential geometry."@en . . "1946-06-14Z"^^ .