The D Case (full English title: The D. Case, Or The Truth About The Mystery Of Edwin Drood) (original Italian title: "La verità sul caso D.", 'The truth about the D. case') is a humorous literary critique of Charles Dickens' unfinished work "The Mystery of Edwin Drood", first published in Italy in 1989.
Mystery of Edwin Drood is a 1935 American mystery-drama film directed by Stuart Walker and starring Claude Rains in the role of the villainous John Jasper.
 It is the third film adaptation and first sound film version of Charles Dickens's unfinished novel of the same name.
 Filmed by Universal Pictures, it co-stars Douglass Montgomery and Valerie Hobson (the future Estella of David Lean's 1946 "Great Expectations"), and featured David Manners as Edwin Drood.
 Stuart Walker had previously directed a little-known 1934 film adaptation of "Great Expectations".
 The film's script provides an ending to the original unfinished novel, solving the mystery of the fate of Edwin Drood.
Gwyneth Hughes is a British documentary director and screenwriter who works mainly in television.
 A former newspaper journalist from the north of England, her credits include the crime drama "Five Days", "Cherished", a film about the wrongful conviction of Angela Cannings, an adaptation of Charles Dickens's unfinished work "The Mystery of Edwin Drood", and "The Girl", which explores an alleged obsession Alfred Hitchcock had with the actress Tippi Hedren.
 Her work on "Five Days" earned her a nomination at the 2008 Golden Globe Awards.
 In 2013 she wrote "Remember Me", which debuted on the BBC in November 2014.
Charles John Huffam Dickens ( ; 7 February 1812 – 9 June 1870) was an English writer and social critic.
 He created some of the world's best-known fictional characters and is regarded by many as the greatest novelist of the Victorian era.
 His works enjoyed unprecedented popularity during his lifetime, and by the 20th century critics and scholars had recognised him as a literary genius.
 His novels and short stories enjoy lasting popularity.
The Mystery of Edwin Drood (or Drood) is a musical based on the unfinished Charles Dickens novel "The Mystery of Edwin Drood".
 It is written by Rupert Holmes, and was the first Broadway musical with multiple endings (determined by audience vote).
 Holmes received Tony Awards for Best Book and Best Original Score.
 The musical won five Tony Awards out of eleven nominations, including Best Musical and Best Leading Actor.
Trust Your Heart is an album by Judy Collins, released in 1987 by Gold Castle.
 The album liner notes credit Judy Collins with "overall production".
 It was released simultaneously with her autobiography of the same name.
 It is composed of seven of the 16 songs from an album she made for the British label, Telstar, titled "Amazing Grace".
 In addition, she recorded two original songs, "Trust Your Heart", and "The Life You Dream", as well as a cover of "Moonfall" from the 1985 Broadway musical, Drood, aka "The Mystery of Edwin Drood".
Frederick Samson Robert Morice "Freddie" Fox (born 5 April 1989) is an English actor.
 His screen career highlights include roles as singer Marilyn in the BBC's Boy George biopic "Worried About the Boy" (2010), King Louis XIII in "The Three Musketeers" (2011), Edwin Drood in the BBC's "The Mystery of Edwin Drood" (2012), and Freddie Baxter in the two gay-themed television series "Cucumber" (2015) and "Banana" (2015).
 His many notable theatre credits include starring as Oscar Wilde's young lover Lord Alfred "Bosie" Douglas in "The Judas Kiss" (2012–2013), opposite Rupert Everett, at London's Hampstead Theatre plus a UK tour and West End transfer.
Stephanie Janette Block (born September 19, 1972) is an American actress and singer, known for her work in Broadway musicals.
 A two-time Tony Award nominee, she was nominated for Best Actress in a Musical for "The Mystery of Edwin Drood" in 2013, and for Best Featured Actress in a Musical for "Falsettos" in 2017.
 She is also a five-time Drama Desk Award nominee and has appeared on numerous cast recordings.
 In 2009, she released a solo album, "This Place I Know".
The Mystery of Edwin Drood is a 2012 British television adaptation of the unfinished novel by Charles Dickens, adapted with a new ending by Gwyneth Hughes, produced by Lisa Osborne, and directed by Diarmuid Lawrence.
 It was aired in the United Kingdom on BBC2 as two one-hour parts on 10 and 11 January 2012, in the United States as a single two-hour film on PBS on 15 April 2012, and in Australia on ABC1 on 2 January 2013.
The Mystery of Edwin Drood is a 1993 film, the fourth film adaptation of the Charles Dickens unfinished novel of the same name.

Question: What is the name of this English writer and social critic, born in 1812, who wrote The Mystery of Edwin Drood?
Answer: Charles Dickens