Question: Which British newspaper journalist contributed to a constitutional crisis in the British Empire by publishing criticism of the reigning king who planned to marry a divorced American socialite.

full_context: Document 1: Arthur Henry Mann (journalist): Arthur Henry Mann, CH (born 7 July 1876, Warwick, England; died Folkestone, Kent, 23 July 1972) was a British newspaper journalist, who edited the "Yorkshire Post" from 1919 to 1939, where he was known for his "resolute independence" and helped precipitate the Edward VIII abdication crisis by publishing criticism of the King.
Document 2: D. M. Sutherland: D. M. Sutherland (? – 13 December 1951) was a British journalist and editor. Born in Edinburgh, he attended George Watson's College and University of Edinburgh. He was the London editor of the "Manchester Daily Dispatch" before assuming the editorship of the "Sheffield Daily Telegraph". He was named editor of "Evening Standard" in 1914 and served in that capacity for a year, leaving to take over as editor of the "Pall Mall Gazette". Sutherland was the last editor of the "Pall Mall Gazette", serving in that position until the newspaper was incorporated into the "Evening Standard" in 1923. He then left journalism to become the Secretary and Director of Propaganda for the Anti-Socialist and Anti-Communist Union.
Document 3: 1936 in the United Kingdom: Events from the year 1936 in the United Kingdom. The year is notable for the death of George V early in the year, the accession of his son Edward VIII (previously styled David, Prince of Wales) to the throne, and then Edward VIII's abdication, resulting in the accession to the throne of his younger brother George VI (previously Albert, Duke of York).
Document 4: His Majesty's Declaration of Abdication Act 1936: His Majesty's Declaration of Abdication Act 1936 (1 Edw. 8 & 1 Geo. 6 c. 3) was the Act of the Parliament of the United Kingdom that recognised and ratified the abdication of King Edward VIII and passed succession to his brother King George VI. The act also excluded any possible future descendants of Edward from the line of succession. Edward VIII abdicated in order to marry his lover, Wallis Simpson, after facing opposition from the governments of the United Kingdom and the Dominions.
Document 5: Arthur Henry Mann: Arthur Henry Mann (16 May 1850, Norwich – 19 November 1929, Cambridge) was an English organist and composer of hymn tunes including "Angel's Story" which was originally written for the hymn 'I love to hear the story', but is also sung to the words 'O Jesus, I have promised.' He was most noted for his role as organist and director of music at King's College Chapel, Cambridge from 1876 until 1929, being the founder director of the world famous tradition of the Festival of Nine Lessons and Carols since its first performance in 1918. In 1888, he published his own edition of Thomas Tallis's Spem in alium. His edition, though flawed, was the first publication ever made of Tallis's famous motet in forty parts.
Document 6: Wallis Simpson: Wallis, Duchess of Windsor (born Bessie Wallis Warfield; also known by her married names of Wallis Spencer and Wallis Simpson; 19 June 1896 – 24 April 1986) was an American socialite whose intended marriage to King Edward VIII caused him to abdicate his throne.
Document 7: The Westminster Gazette: The Westminster Gazette was an influential Liberal newspaper based in London. It was known for publishing sketches and short stories, including early works by Raymond Chandler, Anthony Hope, D. H. Lawrence, Katherine Mansfield, and Saki, and travel writing by Rupert Brooke. One of its editors was caricaturist and political cartoonist Francis Carruthers Gould.
Document 8: King–Byng affair: The King–Byng affair (sometimes referred to as the King–Byng Thing, the "King–Byng Wing Ding", or the Constitutional Crisis (1926)) was a Canadian constitutional crisis that occurred in 1926, when the Governor General of Canada, the Lord Byng of Vimy, refused a request by his prime minister, William Lyon Mackenzie King, to dissolve parliament and call a general election.
Document 9: Alfred Blunt: Alfred Walter Frank Blunt (24 September 187912 June 1957) was a Church of England bishop. He was the second Bishop of Bradford from 1931 to 1955 and is best known for a speech that exacerbated the Abdication Crisis of Edward VIII.
Document 10: Henry Mayhew: Henry Mayhew (25 November 1812 – 25 July 1887) was an English social researcher, journalist, playwright and advocate of reform. He was one of the co-founders of the satirical and humorous magazine "Punch" in 1841, and was the magazine's joint-editor, with Mark Lemon, in its early days. He is also known for his work as a social researcher, publishing an extensive series of newspaper articles in the "Morning Chronicle" that was later compiled into the book series "London Labour and the London Poor" (1851), a groundbreaking and influential survey of the city's poor.
Document 11: List of Prime Ministers of King Edward VIII: King Edward VIII was the King of the United Kingdom and the Dominions and colonies of the British Commonwealth, Emperor of India, from 20 January to 11 December 1936, when he abdicated the throne.
Document 12: Wallis &amp; Edward: Wallis & Edward (in Canada also known as Her Royal Affair) is a 2005 British made-for-TV movie, scripted by Sarah Williams, dramatising the events of the Edward VIII abdication crisis. It was billed as the first scripted account of the romance between Wallis Simpson and Edward VIII of the United Kingdom to view events from Wallis Simpson's point of view. Joely Richardson played Wallis, and Steven Campbell Moore, Edward.
Document 13: Arthur B. English: Arthur Bartholomew English was a British man who became Canada's hangman in 1912, when he was officially offered the job. Prior to this he had been an assistant to John Radclive, a veteran of twenty years of hangings. English served in this capacity until 1935. He probably used the pseudonym of Arthur Ellis after the famous English executioner, John Ellis: there is no truth in the story that John Ellis was his uncle, as John Ellis only had one brother, James Preston who was born in 1887, and therefore would have been only 25 when Arthur Ellis started his career. It is estimated that English carried out more than 600 hangings over his career. Several of his successors adopted the same pseudonym.
Document 14: Edward VIII abdication crisis: In 1936, a constitutional crisis in the British Empire arose when King-Emperor Edward VIII proposed to marry Wallis Simpson, an American socialite who was divorced from her first husband and was pursuing a divorce of her second.
Document 15: Edward VIII: Edward VIII (Edward Albert Christian George Andrew Patrick David; 23 June 1894 – 28 May 1972) was King of the United Kingdom and the Dominions of the British Empire, and Emperor of India, from 20 January 1936 until his abdication on 11 December the same year.
ground_truth: Arthur Henry Mann