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

Context paragraphs:
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".

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.

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.

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.

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.

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.

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.

Robbie (short story): "Robbie" is a science fiction short story by American writer Isaac Asimov.  It was his first robot story and writing commenced on June 10, 1939.  It was first published in the September 1940 issue "Super Science Stories" magazine as "Strange Playfellow", a title that was chosen by editor Frederik Pohl and described as "distasteful" by Asimov.  A revised version of "Robbie" was reprinted under Asimov's original title in the collections "I, Robot" (1950), "The Complete Robot" (1982), and "Robot Visions" (1990).  "Robbie" was the fourteenth story written by Asimov, and the ninth to be published.  The story is also part of Asimov's "Robot" series, and was the first of Asimov's positronic robot stories to see publication.

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.

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.

Supporting paragraphs: Isaac Asimov's Robot City: Cyborg Foundation series
Answer: William F. Wu.