Question: Geoffrey Whitworth was praised by what Irish playwright who wrote more than sixty plays, including "Man and Superman"?

Context articles: Meyer-Whitworth Award
Constance D'Arcy Mackay
All-England Theatre Festival
Geoffrey Whitworth
British Theatre Association
Georges Feydeau
August Strindberg
Joseph Stirling Coyne
The Art of Nijinsky
George Bernard Shaw

The Meyer-Whitworth Award was a literary prize established in 1991 and awarded from 1992 until 2011 to new British playwrights to help them further their careers.
 The £10,000 prize, one of the largest annual prizes for play writing in the UK, was funded by the National Theatre Foundation and named in honour of Geoffrey Whitworth and Carl Meyer, both of whom were instrumental in the establishment of the Royal National Theatre.
 From its inception until 2006, the award was administered by Arts Council England.
 After that, it was administered by the Playwrights' Studio, Scotland.
Constance D'Arcy Mackay ( 1887 – 21 August 1966) was an American author and playwright.
 She was a charter member of PEN International and authored over sixty plays in her time.
The All-England Theatre Festival ("AETF") organises the only country-wide eliminating contest for one-act plays in performance throughout England.
 It provides an opportunity for Amateurs to compete against like-minded groups and to benefit from the adjudication they receive to improve the quality of their performance.
 The AETF also maintains contact with other leading bodies involved in Amateur Dramatics throughout the United Kingdom by means of its membership of the Central Council for Amateur Theatre, The Drama Festivals Consortium and the British Finals Standing Committee.
 The festival is also involved with the Geoffrey Whitworth Trophy Competition, in conjunction with the other 'Hosts' of the British Festival, to judge Original, unpublished Scripts that are first produced within the relevant Festivals.
Geoffrey Arundel Whitworth CBE ( 7 April 1883 - 9 September 1951) was an English lecturer and author who sought to promote amateur and professional theatre through the formation of the British Drama League, acting as its director for many years.
 Whitworth was instrumental in the founding of the National Theatre, and served the committee lobbying for this as its secretary.
 Though not an actor, he was praised by George Bernard Shaw as one of the most important figures in the history of British theatre.
 The library he assembled is a large and important collection, now held at the Theatre Museum at Covent Garden.
The British Theatre Association, originally known as the British Drama League, was an organisation established in 1919 to promote amateur and professional theatre in England.
 It was founded by Geoffrey Whitworth.
 Its work included pursuing the creation of the National Theatre, offering library and research services, and encouraging the introduction of drama into the national curriculum.
 Its name was changed to the British Theatre Association in 1972.
 The Association was disbanded in 1990, due to financial pressures.
 Play scripts held in its archive are now in the possession of the Theatre Museum, London.
Georges Feydeau (] ; 8 December 1862 – 5 June 1921) was a French playwright of the era known as the Belle Époque.
 He is remembered for his many lively farces.
 He wrote over sixty plays and was a forerunner of absurdist theatre.
Johan August Strindberg ( ; ] ; 22 January 1849 – 14 May 1912) was a Swedish playwright, novelist, poet, essayist and painter.
 A prolific writer who often drew directly on his personal experience, Strindberg's career spanned four decades, during which time he wrote over sixty plays and more than thirty works of fiction, autobiography, history, cultural analysis, and politics.
 A bold experimenter and iconoclast throughout, he explored a wide range of dramatic methods and purposes, from naturalistic tragedy, monodrama, and history plays, to his anticipations of expressionist and surrealist dramatic techniques.
 From his earliest work, Strindberg developed innovative forms of dramatic action, language, and visual composition.
 He is considered the "father" of modern Swedish literature and his "The Red Room" (1879) has frequently been described as the first modern Swedish novel.
Joseph Stirling Coyne (1803–1868) was a humorist and satirist in the tradition of Jonathan Swift and Alexander Pope.
 One of the most prolific British playwrights of the mid-nineteenth century, he wrote more than sixty plays; his twenty-seven farces are surpassed in number only by John Maddison Morton's ninety-one and T. J. Williams's thirty.
 Coyne brought to the stage accomplished comedic interchanges, puns, irony, exaggerated character traits, ludicrous plot situations, and surprising outcomes.
 His plays reveal a deft ear for dialogue and an ability to create characters suited to the talents of specific actors.
 As a journalist Coyne contributed humorous pieces to many widely circulated journals and newspapers.
The Art of Nijinsky is a 1913 book written by Geoffrey Whitworth which analyzes the art of Vaslav Nijinsky.
 At 110 pages, it features 10 colored illustrations by Dorothy Mullock,
George Bernard Shaw ( ; 26 July 1856 – 2 November 1950), known at his insistence simply as Bernard Shaw, was an Irish playwright, critic and polemicist whose influence on Western theatre, culture and politics extended from the 1880s to his death and beyond.
 He wrote more than sixty plays, including major works such as "Man and Superman" (1902), "Pygmalion" (1912)" and Saint Joan" (1923).
 With a range incorporating both contemporary satire and historical allegory, Shaw became the leading dramatist of his generation, and in 1925 was awarded the Nobel Prize in Literature.