Question: What author of Isaac Asimov's Robot City : Cyborg was inspired by Hugo award winner Isaac Asimov's Robot nad Foundation novels?

full_context: Document 1: Dune (novel): Dune is a 1965 epic science fiction novel by American author Frank Herbert, originally published as two separate serials in "Analog" magazine. It tied with Roger Zelazny's "This Immortal" for the Hugo Award in 1966, and it won the inaugural Nebula Award for Best Novel. It is the first installment of the "Dune" saga, and in 2003 was cited as the world's best-selling science fiction novel.
Document 2: Isaac Asimov's Robot City: Prodigy: Isaac Asimov's Robot City: Prodigy is a book written in 1988 by Arthur Byron Cover. It is part of the series Isaac Asimov's Robot City, which are inspired by Isaac Asimov's "Robot" series.
Document 3: Foundation series: The "Foundation" series is a science fiction book series written by American author Isaac Asimov. For nearly thirty years, the series was a trilogy: "Foundation", "Foundation and Empire", "Second Foundation". It won the one-time Hugo Award for "Best All-Time Series" in 1966. Asimov began adding to the series in 1981, with two sequels: "Foundation's Edge", "Foundation and Earth", and two prequels: "Prelude to Foundation", "Forward the Foundation". The additions made reference to events in Asimov's "Robot" and "Empire" series, indicating that they were also set in the same fictional universe.
Document 4: Hugo Award for Best Related Work: The Hugo Awards are given every year by the World Science Fiction Society for the best science fiction or fantasy works and achievements of the previous year. The award is named after Hugo Gernsback, the founder of the pioneering science fiction magazine "Amazing Stories", and was once officially known as the Science Fiction Achievement Award. The award has been described as "a fine showcase for speculative fiction" and "the best known literary award for science fiction writing". The Hugo Award for Best Related Work is given each year for primarily non-fiction works related to science fiction or fantasy, published in English or translated into English during the previous calendar year. Awards are also given out for works of fiction in the novel, novella, novelette, and short story categories.
Document 5: Isaac Asimov's Robots and Aliens: Isaac Asimov's Robots and Aliens is a series of novels written by various authors and loosely connected to Isaac Asimov's "Robot" series. Each volume is complete in itself, but they form a continuing series. The series follows the action of the novels of the "Isaac Asimov's Robot City" series, with the same protagonists Derec and Ariel, and many other characters. The plot deals with the Three Laws and encounters between robots and different varieties of alien life.
Document 6: Isaac's Universe: Isaac's Universe is a fictional universe created by Isaac Asimov for other science fiction writers to use as a setting. "Isaac's Universe: Volume One: The Diplomacy Guild", the initial collection of science fiction short stories, was edited by Martin H. Greenberg and published in 1990 by Avon Books. It introduces the collaborative universe created by Asimov which eventually resulted in five volumes: three short story collections and two novels.
Document 7: Isaac Asimov's Robot City: Isaac Asimov's Robot City is a series of novels written by various authors and loosely connected to Isaac Asimov's "Robot" series. It takes place between "The Robots of Dawn" and "Robots and Empire". Each volume is complete in itself, but they form a continuing series. The novels were written in response to a writing challenge issued by Asimov to write a series involving the Three Laws of Robotics, which brought about a collaboration of several authors. Asimov provided outlines for stories which filled in the gap between Asimov's own robot stories and his "Foundation" series, explaining the disappearance of the robots prior to the establishment of the galactic empire. "Isaac Asimov's Robots and Aliens" followed in this series, with the same protagonists and many other characters. The common theme of all books of both series is the interaction between the characters and autonomous cities run and populated by robots (the "robot cities" of the series title). Robot City was also released as a mystery game for the PC in 1995. The player takes the role of Derec.
Document 8: Isaac Asimov's Robot City: Cyborg: Isaac Asimov's Robot City: Cyborg is a 1987 novel by William F. Wu. It is part of the series Isaac Asimov's Robot City, which are inspired by Isaac Asimov's "Robot" series, and his "Foundation" novels.
Document 9: Isaac Asimov's Robot City: Suspicion: Isaac Asimov's Robot City: Suspicion is a book written in 1987 by Mike McQuay. It is part of the series Isaac Asimov's Robot City, which is inspired by Isaac Asimov's "Robot" series.
Document 10: Isaac Asimov's Robot City: Refuge: Isaac Asimov's Robot City: Refuge is a book written in 1988 by Rob Chilson. It is part of the series Isaac Asimov's Robot City, which is based on Isaac Asimov's "Robot" series. It was Rob Chilson's return to writing at novel length after a break of over a decade.
Document 11: Foundation's Triumph: Foundation's Triumph (1999) is a science fiction novel by David Brin, set in Isaac Asimov's "Foundation" universe. It is the third book of the Second Foundation trilogy, which was written after Asimov's death by three authors, authorized by the Asimov estate. Brin synthesizes dozens of Foundation-Empire-Robots novels and short stories by Isaac Asimov, Roger MacBride Allen, and authorized others into a consistent framework. " Foundation's Triumph" includes an appendix chronology compiled by Attila Torkos.
Document 12: Isaac Asimov's Robot City: Perihelion: Isaac Asimov's Robot City: Perihelion is a book written in 1988 by William F. Wu. It is part of the series Isaac Asimov's Robot City, which was inspired by Isaac Asimov's "Robot" series.
Document 13: Dune prequel series: The "Dune" prequel series is a sequence of novel trilogies written by Brian Herbert and Kevin J. Anderson. Set in the "Dune" universe created by Frank Herbert, the novels take place in various time periods before and in between Herbert's original six novels, which began with 1965's "Dune". In 1997, Bantam Books made a $3 million deal with the authors for three "Dune" prequel novels, partially based upon notes left behind by Frank Herbert, that would come to be known as the "Prelude to Dune" trilogy. Starting with 1999's "", the duo have published ten "Dune" prequel novels to date. In 2011 "Publishers Weekly" called the series "a sprawling edifice that Frank Herbert’s son and Anderson have built on the foundation of the original "Dune" novels."
Document 14: Isaac Asimov's Robot City: Odyssey: Isaac Asimov's Robot City: Odyssey is a young adult science fiction novel written in 1987 by Michael P. Kube-McDowell. It is part of the series Isaac Asimov's Robot City, inspired by Isaac Asimov's "Robot" series. The 1995 computer game Robot City is based on the plot of "Odyssey".
Document 15: Foundation's Friends: Foundation's Friends, Stories in Honor of Isaac Asimov is a 1989 book written in honor of science fiction author Isaac Asimov, in the form of an anthology of short stories set in Asimov's universes, particularly the "Robot"/"Empire"/"Foundation" universe. The anthology was edited by Martin H. Greenberg, and contributing authors include Ray Bradbury, Robert Silverberg, Frederik Pohl, Poul Anderson, Harry Turtledove, and Orson Scott Card. A "revised and expanded" edition was published in 1997, which added numerous memorials and appreciations written by those who knew him, many of them well-known authors and editors from the science fiction field.
ground_truth: William F. Wu.