Question: What English lyricist wrote the lyrics for the Doug Henning inspired musical Merlin?

full_context: Document 1: The Magic Show: The Magic Show is a one-act musical with music and lyrics by Stephen Schwartz and a book by Bob Randall. It starred magician Doug Henning. Produced by Edgar Lansbury, it opened on May 28, 1974 at the Cort Theatre in Manhattan, and ran for 1,920 performances, closing on December 31, 1978. Henning was nominated for the Tony Award for Best Featured Actor in a Musical and director Grover Dale was nominated for the Tony Award for Best Direction of a Musical.
Document 2: Leslie Bricusse: Leslie Bricusse (born 29 January 1931) is an English composer, lyricist, and playwright, most prominently working in musicals and also film theme songs.
Document 3: Merlin (game): Merlin (sometimes known as Merlin, the Electronic Wizard) was a handheld electronic game first made by Parker Brothers in 1978. The game was invented by former NASA employee Bob Doyle, his wife Holly, and brother-in-law Wendl Thomis. Merlin is notable as one of the earliest and most popular handheld games, selling over 5 million units during its initial run, as well as one of the most long-lived, remaining popular throughout the 1980s. A version of the game was re-released in 2004 by the Milton Bradley Company.
Document 4: Tony Black (writer): Tony Black is a Scottish writer. Much of his work is in the tartan noir crime genre, featuring Gus Dury, Rob Brennan and Doug Michie. He has more recently pursued projects in other literary directions. Irvine Welsh has called Black his "favourite British crime writer".
Document 5: Merlin D'Souza: Merlin D'Souza (Merlyn) is an Indian composer and pianist from Bombay. She is a musician whose work includes composing for film, albums, theatre and advertising. She is based at Bandra, a Mumbai suburb. Formerly the Asian jazz ambassador for Hennessy X.O. – she has toured extensively, from Australia to China, from Europe to the United States (including a stint at the Blue Note, New York).
Document 6: Sameer (lyricist): Sameer (born 24 February 1958) is an Indian lyricist, writing primarily for songs in Hindi language films. He is a guinness world record holder for writing most number of songs . He was awarded this honor on 17 February 2016. His father is the famed Hindi lyricist, Anjaan (Lalji Pandey). He has won three Filmfare Awards.
Document 7: Don Black (lyricist): Don Black, {'1': ", '2': ", '3': ", '4': "} (born 21 June 1938) is an English lyricist. His works have included numerous musicals, movie themes and hit songs. He has provided lyrics for John Barry, Charles Strouse, Andrew Lloyd Webber, Quincy Jones, Lulu, Jule Styne, Henry Mancini, Michael Jackson, Elmer Bernstein, Michel Legrand, Hayley Westenra, A. R. Rahman, Marvin Hamlisch and Debbie Wiseman.
Document 8: Aladdin (2011 musical): Aladdin is a musical based on the 1992 Disney animated film of the same name with music by Alan Menken and lyrics by Howard Ashman, Tim Rice and Chad Beguelin. Beguelin also wrote the book. The musical includes three songs written for the film by Ashman but not used there and four new songs written by Menken and Beguelin.
Document 9: Artus-Excalibur: Artus - Excalibur is a musical loosely based on the legends of the 5th/6th Century British monarch, King Arthur and his fabled sword, Excalibur. The score is by Frank Wildhorn, with lyrics by Robin Lerner and book by Ivan Menchell. Arrangements and orchestrations by Koen Schoots.
Document 10: Burt Bacharach: Burt Freeman Bacharach ( ; born May 12, 1928) is an American composer, songwriter, record producer, pianist, and singer who has composed hundreds of popular hit songs from the late 1950s through the 1980s, many in collaboration with popular lyricist Hal David. A six-time Grammy Award winner and three-time Academy Award winner, Bacharach's songs have been recorded by more than 1,000 different artists. s of 2014 , he had written 73 US and 52 UK Top 40 hits. He is considered one of the most important composers of 20th-century popular music.
Document 11: Merlin (musical): Merlin was a musical based on a concept by popular illusionist Doug Henning and Barbara De Angelis, written by Richard Levinson and William Link, with music (and incidental music) written by Elmer Bernstein and lyrics by Don Black.
Document 12: Edward Black (producer): Edward Black (18 August 1900, Birmingham - 30 November 1948, London) was an English film producer, best known for being head of production at Gainsborough Studios in the late 1930s and early 1940s, during which time he oversaw production of the Gainsborough melodramas. He also produced such classic films as "The Lady Vanishes" (1938). Black has been called "one of the unsung heroes of the British film industry."
Document 13: Bernie Taupin: Bernard John Taupin (born 22 May 1950) is an English lyricist, poet, and singer, best known for his long-term collaboration with Elton John, writing the lyrics for the majority of the star's songs, and making his lyrics some of the best known in music history.
Document 14: Charles Hart (lyricist): Charles Hart (born 3 June 1961) is a British lyricist, songwriter and musician. He is best known for writing the lyrics to, and contributing to the book of Andrew Lloyd Webber's stage musical "The Phantom of the Opera" and for writing the lyrics to Bend It Like Beckham the Musical. He also co-wrote (with Don Black) the lyrics to Lloyd Webber's 1989 musical "Aspects of Love". Hart also re-wrote Glenn Slater's lyrics for "Love Never Dies", the sequel to "Phantom".
Document 15: Levinson &amp; Link: Richard Levinson and William Link were television producers and writers who collaborated for 43 years, until Levinson's death. They created classic television detective series such as "Columbo", "Mannix", "Ellery Queen", "Murder, She Wrote" and "Scene of the Crime", as well as made-for-TV movies including "The Gun", "My Sweet Charlie", "That Certain Summer", "The Judge and Jake Wyler", "The Execution of Private Slovik", "Charlie Cobb: A Nice Night for a Hanging", "Rehearsal for Murder", and "Blacke's Magic". They also collaborated on two feature films: "The Hindenburg" (1975) and "Rollercoaster" (1977).
ground_truth: Don Black