Question: Who created the series where Brian Tyree Henry guest starred as William's cousin?

Context paragraphs:
Plymouth Drake by-election, 1937: The Plymouth Drake by-election of 1937 was held on 15 June 1937.  The by-election was held due to the death of the incumbent Conservative MP, Frederick Guest.  It was won by the Conservative candidate Henry Guest.

Scrubs (season 4): The fourth season of the American comedy television series "Scrubs" premiered on NBC on August 31, 2004 and concluded on May 10, 2005 and consists of 25 episodes.  Heather Graham guest starred for an extended run for the first 8 episodes, and then another appearance later in the season.  Colin Farrell, Matthew Perry, Molly Shannon, Clay Aiken, and Tara Reid guest starred.  This season was nominated for the Primetime Emmy Award for Outstanding Comedy Series.

Johari Johnson: Johari Johnson is an American actress, director, comedian, screenwriter and producer.  She has guest starred in a number of notable television series including "Moesha", "The Steve Harvey Show", "Smart Guy", "In the House", "Eve", "Cory in the House", "Mr. Show with Bob and David" and among other series.  She has also guest starred numerous times on "The Fresh Prince of Bel-Air" and the Disney Channel Original Series "That's So Raven", each time playing a different character on both series.

Only You (upcoming film): Only You is an upcoming American science fiction horror-thriller film written and directed by Jacob Estes.  The film stars David Oyelowo, Storm Reid, Brian Tyree Henry, Alfred Molina, Mykelti Williamson and Shinelle Azoroh.  Jason Blum is serving as a producer through his Blumhouse Productions banner and David Oyelowo is executive producing the film.

Gentleman's Intermission: "Gentleman's Intermission" is the of the fifth season of the American television comedy series "30 Rock", and the 86th overall episode of the series.  It was written by co-executive producer John Riggi and directed by series producer Don Scardino.  The episode originally aired on the National Broadcasting Company (NBC) network in the United States on November 4, 2010.  Elizabeth Banks and Buck Henry guest star in this episode, and there are cameo appearances by Ann Curry, Lester Holt, and Meredith Vieira.

Henry Guest: Lieutenant-Colonel Christian Henry Charles Guest (15 February 1874 – 9 October 1957), usually known as Henry Guest, was a Liberal Party politician in the United Kingdom.

This Is Us (TV series): This Is Us is an American television series created by Dan Fogelman that premiered on NBC on September 20, 2016.  The series stars an ensemble cast featuring Milo Ventimiglia, Mandy Moore, Sterling K. Brown, Chrissy Metz, Justin Hartley, Susan Kelechi Watson, Chris Sullivan, Ron Cephas Jones, Jon Huertas, Alexandra Breckenridge, Niles Fitch, Logan Shroyer, Hannah Zeile, Mackenzie Hancsicsak, Parker Bates, Eris Baker, and Faithe Herman.  It is about the family lives and connections of several people who all share the same birthday and the ways in which they are similar and different.

Ernie Grunwald: Ernie Grunwald (born in Thornhill, Ontario, Canada) is a Canadian-born actor who has had made guest appearances in a number of notable television series.  He has also had recurring roles on, "One on One", "The Suite Life of Zack & Cody" (as Mr. Forgess, Series 2 Episode 22), and "Two of a Kind" opposite Mary-Kate and Ashley Olsen.  He has also guest starred on, "Friends", "My Name Is Earl", "NYPD Blue", "Reno 911! ", "ANT Farm", "Walker, Texas Ranger", "Supernatural", "Grey's Anatomy", "Bones", "The Mentalist" and many other series.  He has also had roles in the feature films, "Cellular", "It Takes Two", "Men in Black II", and "Stealing Harvard".  He guest starred as a restaurant manager in "Monk" ("Mr. Monk's 100th Case") and as a bumbling government official in "Psych" ("Death is In the Air").  He also made a cameo appearance in the 1992 Disney film "The Mighty Ducks" as a fan.

Brian Tyree Henry: Brian Tyree Henry is an American actor.  His television roles include Alfred "Paper Boi" Miles in "Atlanta" and Tavis Brown in "Vice Principals".  Henry was also a part of the original cast of "The Book of Mormon".  In February 2017, Henry guest starred in the NBC TV series "This is Us" episode "Memphis" as William's cousin, for which he was nominated for an Emmy Award.

Henry Guest House: The Henry Guest House is in New Brunswick, Middlesex County, New Jersey, at Livingston Avenue and Morris Street.  It was originally located on New Street (previously known as Carroll Place) between Livingston Avenue and George Street.  The Georgian stone farmhouse was built in 1760 by Henry Guest.  He was a New Brunswick alderman and an associate of John Adams and author Thomas Paine.

Supporting paragraphs: Brian Tyree Henry This Is Us (TV series)
Answer: Dan Fogelman