- John Backus ... John Backus John Backus (Filadelfia, 3 de diciembre de 1924) es un informtico estadounidense, ganador del Premio Turing en 1977 por sus trabajos en sistemas de programacin de alto nivel, en ...
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John
Backus
John
Backus (Filadelfia, 3 de diciembre de 1924) es un informático estadounidense,
ganador del Premio Turing en 1977 por sus trabajos en sistemas de programación
de alto nivel, en especial por su trabajo con FORTRAN.
Para
evitar las dificultades de programación de las calculadoras de su época, en
1954 Backus se encargó de la dirección de un proyecto de investigación en IBM
para el proyecto y realización de un lenguaje de programación más cercano a
la notación matemática normal. De ese proyecto surgió el lenguaje FORTRAN, el
primero de los lenguajes de programación de alto nivel que tuvo un gran
impacto, incluso comercial, en la emergente comunidad informática.
Tras
la realización de FORTRAN, Backus fue un miembro muy activo del comité
internacional que se encargó del proyecto de lenguaje ALGOL. En ese contexto
propuso una notación para la representación de las gramáticas usadas en la
definición de un lenguaje de programación (las llamadas gramáticas ajenas al
contexto). Tal notación se conoce como BNF, o Forma de Naur y Backus (Backus-Naur
Form) y une al nombre de Backus al de Peter Naur, un informático europeo del
comité ALGOL que contribuyó a su definición.
En
los años 1970, Backus se interesó sobre todo por la Programación funcional, y
proyectó el lenguaje de programación FP, descrito en el texto que le sirvió
para ganar el premio Turing, "Can Programming be Liberated from the Von
Neumann Style?" Se trata de un lenguaje de uso fundamentalmente académico,
que sin embargo animó un gran número de investigaciones. El proyecto FP,
transformado en FL, se terminó cuando Backus se jubiló en IBM, en 1991.