Key film theorist who first came to attention with the publication of the relatively accessible (!), still relevant, and still selling book of structuralist theory, "Signs and Meaning in the Cinema" (1969; revised 1972).Wollen began his career in film production as co-writer of Michelangelo Antonioni's "The Passenger" (1975) and then co-directed a series of experimental features, produced under the aegis of the British Film Institute, with wife and fellow theorist Laura Mulvey (the two are now separated). Wollen made his solo directing debut with the cerebral science fiction feature,