Martin McDonagh ( ; born 26 March 1970) is a British playwright, screenwriter and film director, born and brought up in London to Irish parents.
 He holds dual British and Irish citizenship.
 He has been described as one of the most important living playwrights in Ireland.
Punika Kulsoontornrut (Thai:พอลลี่), is a Thai beauty queen and the official representative of Thailand to the environmentally dedicated pageant, Miss Earth 2013 pageant.
 She won the title of Miss Earth-Water 2013, the highest title a Thai beauty queen achieved in the said beauty pageant.
 She shares that distinction with Watsaporn Wattanakoon, the Miss Earth-Water 2010.
Michael Mann (born 1942) is a British-born professor of Sociology at the University of California, Los Angeles (UCLA) and Visiting Research Professor at Queen's University Belfast.
 Mann holds dual British and United States citizenships.
 He received his B.A. in Modern History from the University of Oxford in 1963 and his D.Phil.
 in Sociology from the same institution in 1971.
 Mann is currently visiting Professor at the University of Cambridge.
Javier Cambre -born Xavier Cambre in San Juan, Puerto Rico, is a contemporary artist with dual citizenships from Spain and the USA, working in diverse media such as photography, collage, painting, text and sculpture.
 His maternal grandfather was the poet Evaristo Ribera Chevremont.
The Beauty Queen of Leenane is a 1996 black comedy by Irish playwright Martin McDonagh which was premiered by the Druid Theatre Company in Galway, Ireland.
 It also enjoyed successful runs at London's West End, Broadway and Off-Broadway.
Sergey Sergeyevich Litvinov (Russian: Сергей Сергеевич Литвинов , born 27 January 1986) is a former German (dual citizenships since 3 December 1999) hammer thrower, (now competing for Russia).
 He won a bronze medal at the 2014 European Championships.
The Lonesome West is a play by contemporary Irish playwright Martin McDonagh, part of his Connemara trilogy, which includes "The Beauty Queen of Leenane" and "A Skull in Connemara".
 All three plays depict the shocking and murderous goings-on in the Western Ireland town of Leenane.
Csilla Andrea Molnár (20 January 1969 – 10 July 1986) was a Hungarian beauty queen.
 She was crowned Miss Hungary on 5 October 1985, in Budapest, the first Hungarian beauty queen after a 50-year interval.
 She also entered for the Miss Europa 1986 beauty contest in Malta, where she came in third place.
Dian Inggrawati Soebangil (born April 12, 1984) is an Indonesian beauty queen.
 She was appointed to represent Indonesia in Miss Deaf World 2011, in Prague, Czech Republic.
 She is the first and only deaf beauty queen from Indonesia to have placed as a finalist in any international beauty pageant.
Tom Jordan Murphy (15 January 1968 – 6 October 2007) was an Irish theatre and film actor best known for his 1998 Tony Award winning performance in "The Beauty Queen of Leenane".

Question: Who wrote The Beauty Queen of Leenane and has dual citizenships in Britian and Ireland?
Answer: Martin McDonagh