Title: Angel (1999 TV series)
Content:  Script-writing was done by Mutant Enemy, a production company created by Joss Whedon in 1997. The writers with the most writing credits for the series include: Joss Whedon, David Greenwalt, Tim Minear, Jeffrey Bell, David Fury, Steven S. DeKnight, Mere Smith, and Elizabeth Craft and Sarah Fain. Other authors with writing credits include: Shawn Ryan, Ben Edlund, Drew Goddard, Jeannine Renshaw, Howard Gordon, Jim Kouf, Jane Espenson, Doug Petrie, Tracey Stern, David H. Goodman, Scott Murphy, Marti Noxon and Brent Fletcher. Jane Espenson has explained how scripts came together for Mutant Enemy Productions series Buffy, Angel and Firefly: a meeting was held and an idea was floated (generally by Whedon) and the writers brainstormed to develop the central theme of the episode and the character development. Next, the staff met in the anteroom to Whedon's office 
Title: Angel (2007 film)
Content:  The director gave an interview about the film, stating that "the character of Angel was inspired by Marie Corelli, Queen Victoria's favorite writer. Corelli was one of the first writers to become a star, writing bestsellers for an adoring public. Today she has been totally forgotten, even in England." He also mentioned that he considered Olivier Martinez for the role of Esmé, Angel's love interest, and when talking about Lucy Russell, who played Nora, he stated: "I saw a lot of actresses for the role of Nora. During the screen tests, I realized that many of them actually wanted to be Angel. As soon as they'd finish reading, they'd say to me "I could play Angel too, I am Angel!" They had no desire to play a supporting role, whereas Lucy Russell didn't mind. She showed 
Title: Angel (season 1)
Content:  Series creators Joss Whedon and David Greenwalt both served as executive producers, while Greenwalt would serve as the series' showrunner as Whedon was running Buffy. Greenwalt wrote the most episodes, writing or co-writing five episodes and contributing stories for two other episodes. Tim Minear was hired from the offset and wrote or co-wrote five episodes throughout the season and served as producer and then promoted to supervising producer midseason. He was also the first original Angel writer to write an episode; the first five scripts of the series were all written by Buffy veterans; Whedon, Greenwalt, Jane Espenson, Douglas Petrie and David Fury. Buffy writer/producer Marti Noxon served as consulting producer and did several uncredited rewrites, and co-wrote one episode with Greenwalt. The rest 
Title: Angel (season 4)
Content:  the Bottle", because of his commitments to the first season of Firefly and the final season of Buffy the Vampire Slayer. Steven S. DeKnight, who had written for Buffy during seasons five and six, moved over to Angel where he stayed for the remainder of the show's run. He wrote or co-wrote six episodes of the season, including the season premiere and also directed his debut episode; "Inside Out". Buffy writer-producer David Fury joined as a consulting producer (taking over Marti Noxon's role) and ended up writing four episodes. Mere Smith was promoted to executive story editor and wrote or co-wrote four episodes. Elizabeth Craft and Sarah Fain joined the show as staff writers and wrote or co-wrote five episodes. Firefly writer Ben Edlund was hired as a producer towards the end of the season, following the cancellation of Firefly.
Title: Angel (season 2)
Content:  the only writers kept on the staff. Minear ended up writing the most episodes of the season, including important episodes during the Angel/Darla story arc including "Darla", "The Trial", "Reunion", "Reprise" and "Epiphany". "Darla" also counted as Minear's directorial debut. Mere Smith, who was a script coordinator during the first season was promoted to a staff writer, and began writing episodes. Shawn Ryan was hired for the season and also served as a producer. James A. Contner (also co-producer) directed the highest number of episodes in the second season, directing three episodes. David Greenwalt directed two, including the season finale.
Title: Angel (season 3)
Content:  Series creators Joss Whedon and David Greenwalt served as executive producers, while Greenwalt would serve as the series' showrunner as Whedon was running Buffy and developing his new series, Firefly. Whedon wrote and directed one episode during the season; "Waiting in the Wings". Greenwalt wrote four of the season's episodes and directed two, the premiere and the finale. Tim Minear was promoted to executive producer midseason and wrote and/or directed six episodes of the season including important, Connor-centric episodes such as "Lullaby", "A New World" and "Benediction". Buffy writer/producer Marti Noxon served as consulting producer for her final season on Angel, as she was also running Buffy since she was promoted to executive producer. Buffy writer David Fury wrote one freelance episode, and he officially joined the writing staff in the following 
Title: Angel (season 1)
Content:  writing staff included producer Tracey Stern, staff writer Jeannine Renshaw, and consulting producer Howard Gordon (who also served as consulting producer on Buffy season two). After Gordon departed to work on a new pilot, Jim Kouf joined as consulting producer. Garry Campbell was hired to write a freelance episode. Whedon wrote and directed one episode throughout the season, the series premiere "City of", due to him working on two shows at once. He did however write the story for another two episodes; "I Fall to Pieces with David Greenwalt and "Sanctuary" with Tim Minear. Veteran Buffy director James A. Contner (also co-producer) directed the highest number of episodes in the first season, directing four episodes. David Greenwalt directed two, including the season finale.
Title: Angel (1999 TV series)
Content:  In March 2006, Joss Whedon still talked of the possibility of a TV movie involving Spike to be written and directed by Tim Minear.
Title: Angel (2017 film)
Content:  Angel is a 2017 Telugu language fantasy comedy film written and directed by Palani and produced by Bhuvan Sagar. The film stars Naga Anvesh and Hebah Patel in lead roles with Suman, Saptagiri, Sayaji Shinde, Kabir Duhan Singh, and Pradeep Rawat in supporting roles. The film's music was composed by Bheems Ceciroleo with cinematography by Gunasekaran. The film was released on 3 November 2017 and was dubbed and released in Tamil as Vinnaithaandi Vandha Angel. Later the film was dubbed in Hindi as Angel in 2018.
Title: Angel (1984 film)
Content:  Angel is a 1984 American action thriller film directed by Robert Vincent O'Neil, written by O'Neil and Joseph Michael Cala, and starring Donna Wilkes. Released by New World Pictures, it was the first instalment in the Angel film series.

Question: Who was the screenwriter for Angel?
Answer: Joss Whedon.
Joseph Hill Whedon.