Zootopia
Zootopia (released as Zootropolis or Zoomania in several countries) is a 2016 American 3D computer-animated buddy cop comedy film produced by Walt Disney Animation Studios and released by Walt Disney Pictures. It is the 55th Disney animated feature film, directed by Byron Howard and Rich Moore, co-directed by Jared Bush, and stars the voices of Ginnifer Goodwin, Jason Bateman, Idris Elba, Jenny Slate, Nate Torrence, Bonnie Hunt, Don Lake, Tommy Chong, J. K. Simmons, Octavia Spencer, Alan Tudyk, and Shakira. Taking place in the titular city where anthropomorphic mammals coexist, it tells a story of an unlikely partnership between a rabbit police officer and a red fox con artist, as they uncover a criminal conspiracy involving the disappearance of predators.
Zootopia
"Zootopia" premiered at the Brussels Animation Film Festival in Belgium on February 13, 2016, and went into general theatrical release in Disney Digital 3-D, RealD 3D, IMAX 3D, and 4DX formats in the United States on March 4. "Zootopia" received generally positive reviews from critics, who praised its screenplay, animation, voice acting, subject matter, and Michael Giacchino's musical score. It opened to record-breaking box offices in several countries, and earned a worldwide gross of over $1billion, making it the fourth-highest-grossing film of 2016. The film earned numerous accolades; it was named one of the top ten best films of 2016 by the American Film Institute, and received an Academy Award, Golden Globe, Critics' Choice Movie Award, and Annie Award for Best Animated Feature Film, it also received a nomination for the BAFTA Award for Best Animated Film, but lost to "Kubo and the Two Strings".
Jennifer Lee (filmmaker)
Jennifer Michelle Lee (née Rebecchi; October 22, 1971) is an American screenwriter, film director, and chief creative officer of Walt Disney Animation Studios. She is best known as the writer and director of "Frozen" and its sequel "Frozen II", the former of which earned her an Academy Award for Best Animated Feature. Lee is the first female director of a Walt Disney Animation Studios feature film and the first female director of a feature film that earned more than $1 billion in gross box office revenue. She has won one Academy Award, BAFTA Award and Annie Award, and has been nominated for one BAFTA Award and two Annie Awards.
Jennifer Lee (filmmaker)
Lee was born in October 22, 1971 to Linda Lee and Saverio Rebecchi, who were living in Barrington, Rhode Island at the time; after their divorce, Lee and her older sister, Amy who is an English teacher, lived with their mother in East Providence, Rhode Island. Both Lee and her older sister graduated from East Providence High School and the University of New Hampshire. Lee earned a bachelor's degree in English in 1992 and went to New York City, where she worked as a graphic artist in publishing; she designed audiobooks for Random House. As an adult, she began using her mother's maiden name, Lee, in a professional capacity and in January 1995, legally changed her last name from Rebecchi to Lee.

Question: Who directed a 2016 American 3D computer-animated comedy-adventure film produced by Walt Disney Animation Studios , that had an american film director  best known as the writer and director of the 2013 Disney animated feature "Frozen" redited for story contributions to "Zootopia"?
Answer: Byron Howard and Rich Moore