Question: What screenwriter created the series where Kevin Hanchard plays Arthur Bell?

Context paragraphs:
Arthur Kinmond Bell: Arthur Kinmond Bell, also known as AK Bell, (1868–1942) was a noted Scottish distiller, working as a partner of Arthur Bell & Sons Ltd, and as a philanthropist, founding the Gannochy Trust to help support the people of his home city.

Kevin Hanchard: Kevin Hanchard is a Canadian film, television and stage actor, best known for his roles as Det. Arthur Bell in "Orphan Black" and Inspector Sematimba in "The Expanse".

Orphan Black: Orphan Black is a Canadian science fiction thriller television series created by screenwriter Graeme Manson and director John Fawcett, starring Tatiana Maslany as several identical people who are clones.  The series focuses on Sarah Manning, a woman who assumes the identity of one of her fellow clones, Elizabeth Childs, after witnessing Childs' suicide.  The series raises issues about the moral and ethical implications of human cloning, and its effect on issues of personal identity.

Gay Activists Alliance: The Gay Activists Alliance (GAA) was founded in New York City on December 21, 1969, almost six months after the Stonewall riots, by dissident members of the Gay Liberation Front (GLF).  Some early members included Jim Owles, Marty Robinson, Tom Doerr, Kay Lahusen, Arthur Bell, Arthur Evans, Bill Bahlman, Vito Russo, Sylvia Rivera, Marsha P. Johnson, Jim Coles, Brenda Howard, David Thorstad, Michael Giammetta and Morty Manford (son of Jeanne Manford).  GAA's first president was Jim Owles.

Bell's whisky: Bell's is a brand of blended Scotch whisky originally produced by Arthur Bell & Sons Ltd and now owned by Diageo.  It is the highest selling whisky in the UK.

List of Orphan Black characters: "Orphan Black" is a Canadian science fiction television series broadcast on Space in Canada and on BBC America in the United States.  The series' first season stars Tatiana Maslany, Dylan Bruce, Jordan Gavaris, Kevin Hanchard, Michael Mando, and Maria Doyle Kennedy, with the addition of Évelyne Brochu to the regular cast in the second season, Kristian Bruun and Ari Millen in the third, and Josh Vokey in the fourth.  "Orphan Black" revolves around the main character of Sarah Manning as she discovers the existence of several of her genetic identicals.  Numerous actors appear in the series as recurring cast members, but some guest actors are featured in only a few.  Particularly, Skyler Wexler often recurs as Sarah's daughter Kira.

Arthur Bell (journalist): Arthur Bell (November 6, 1939 – June 2, 1984) was an American journalist, author and LGBT rights activist.

Gannochy Trust: The Gannochy trust is a charitable organisation which is based and operates in Scotland with a preference for projects in Perth and Kinross.  The trust was founded in 1937 by influential Perth business man Arthur Kinmond Bell, known as A. K. Bell, of Arthur Bell & Sons Ltd.

List of Orphan Black episodes: "Orphan Black" is a Canadian science fiction television series that premiered on March 30, 2013 on Space.  The series was created by Graeme Manson and John Fawcett, starring Tatiana Maslany as several clones.  The rest of the starring cast includes Dylan Bruce, Jordan Gavaris, Kevin Hanchard, Michael Mando, Maria Doyle Kennedy, Évelyne Brochu, Ari Millen, Kristian Bruun and Josh Vokey.

Arthur Bell Nicholls: Arthur Bell Nicholls (6 January 1819 – 3 December 1906) was the husband of the English novelist Charlotte Brontë.

Supporting paragraphs: Kevin Hanchard Orphan Black
Answer: Graeme Manson