Question: What role did Joseph Collyer take on as part of the Royal Academy to Queen Charlotte of Mecklenburg-Strelitz?

full_context: Document 1: George I of Great Britain: George I (George Louis; German: "Georg Ludwig" ; 28 May 1660 – 11 June 1727) was King of Great Britain and Ireland from 1 August 1714 until his death, and ruler of the Duchy and Electorate of Brunswick-Lüneburg (Hanover) in the Holy Roman Empire from 1698.
Document 2: Carolyn Collette: Carolyn P. Collette is an American literary critic and a specialist in medieval literature, particularly Geoffrey Chaucer's "The Canterbury Tales." She is Professor Emerita of English Language and Literature at Mount Holyoke College, and a Research Associate at the Centre for Medieval Studies at the University of York, in England.
Document 3: Brian Lukacher: Brian Lukacher is professor of art at Vassar College where he has taught since 1986. Lukacher received his M.A. from Williams College, and received his PhD from the University of Delaware. Following his time at Williams College, Lukacher received the Chester A. Dale and Samuel H. Kress Fellowship for 1981 at the National Gallery of Art, Washington, D.C. His research interests relate to the social history and esthetic philosophy of late eighteenth and nineteenth-century British art and architecture. Lukacher completed his PhD on the architecture of Joseph Gandy about which he subsequently produced a monograph that was published by Thames & Hudson in 2002. In 2001 he gave the annual Soane Lecture on Joseph Gandy.
Document 4: The Monthly Register: The Monthly Register and encyclopedian magazine was a British periodical published from 1802 to 1803. It was published by Charles and John Wyatt and edited by John Dyer Collier (1762–1825), the father of John Payne Collier. Henry Crabb Robinson's essays on Kant – amongst the very earliest notices of Kant in England – appeared there.
Document 5: Godfrey Kneller: Sir Godfrey Kneller, 1st Baronet (born Gottfried Kniller; 8 August 1646 – 19 October 1723) was the leading portrait painter in England during the late 17th and early 18th centuries, and was court painter to English and British monarchs from Charles II to George I. His major works include "The Chinese Convert" (1687; Royal Collection, London); a series of four portraits of Isaac Newton painted at various junctures of the latter's life; a series of ten reigning European monarchs, including King Louis XIV of France; over 40 "Kit-cat portraits" of members of the Kit-Cat Club; and ten "beauties" of the court of William III, to match a similar series of ten beauties of the court of Charles II painted by his predecessor as court painter, Sir Peter Lely.
Document 6: Susan Collier: Susan Jane Collier (12 October 1938 – 18 May 2011) was an English textile designer. She began in a freelance capacity and sold sketches to scarf brands Richard Allan and Jacquar. Collier joined Liberty in 1961, and specalised in floral prints dresses. She was helped by her sister Sarah Campbell starting in 1968, and co-founded the independent Collier Campbell studio.
Document 7: Charlotte of Mecklenburg-Strelitz: Charlotte of Mecklenburg-Strelitz (Sophia Charlotte; 19 May 1744 – 17 November 1818) was by marriage to King George III the Queen of Great Britain and Ireland from her wedding in 1761 until the union of the two kingdoms in 1801, after which she was Queen of the United Kingdom of Great Britain and Ireland until her death in 1818. She was also the Electress of Hanover in the Holy Roman Empire until the promotion of her husband to King of Hanover on 12 October 1814, after which she was also queen consort of Hanover.
Document 8: William Yellowlees: William Yellowlees was a Scottish painter, born at Mellerstain in 1796. He came to Edinburgh in 1812, and studied there under William Shiels, the animal painter. He began practice as a portrait painter and soon became popular, winning the sobriquet of "the little Raeburn", partly by the small size, but more by the excellence of his work. He painted in Edinburgh for about fifteen years, and then moved to London, where he met with much success. Prince Albert was among his patrons. He contributed twenty portraits to the Royal Academy between 1829 and 1845. He died in London in 1855. There is a portrait by him in the Scottish National Portrait Gallery. This self-portrait was identified by a descendant of William Yellowlees, Scottish psychiatrist and musician Alexander John Yellowlees, in the 1970s whilst attending medical school in Edinburgh.
Document 9: Sophia Dorothea of Celle: Sophia Dorothea of Celle (15 September 1666 – 13 November 1726) was the repudiated wife of George I, King of Great Britain and mother of George II. The union with her first cousin was an arranged marriage of state, instigated by the machinations of his mother, Sophia of Hanover. She is best remembered for her alleged affair with Philip Christoph von Königsmarck that led to her being imprisoned in the Castle of Ahlden for the last thirty years of her life.
Document 10: Joseph Collyer: Joseph Collyer (14 September 1748 – 24 December 1827), also called Joseph Collyer the Younger, was an English engraver. He was an associate of the Royal Academy and portrait engraver to the British Queen Consort, Queen Charlotte.
Document 11: George III of the United Kingdom: George III (George William Frederick; 4 June 1738 – 29 January 1820) was King of Great Britain and Ireland from 25 October 1760 until the union of the two countries on 1 January 1801, after which he was King of the United Kingdom of Great Britain and Ireland until his death. He was concurrently Duke and prince-elector of Brunswick-Lüneburg ("Hanover") in the Holy Roman Empire until his promotion to King of Hanover on 12 October 1814. He was the third British monarch of the House of Hanover, but unlike his two predecessors, he was born in Britain, spoke English as his first language, and never visited Hanover.
Document 12: Sophia of Hanover: Sophia of the Palatinate (commonly referred to as Sophia of Hanover; 14 October 1630 – 8 June 1714) was the Electress of Hanover from 1692 to 1698. As a granddaughter of James VI and I, she became heir presumptive to the crowns of the Kingdom of England and the Kingdom of Ireland under the Act of Settlement 1701. After the Acts of Union 1707, she became heir presumptive to the unified throne of the Kingdom of Great Britain. She died less than two months before she would have become queen, and her claim to the throne passed on to her eldest son, George Louis, Elector of Hanover, who ascended as George I on 1 August 1714 (Old Style).
Document 13: Hedvig Elisabeth Charlotte of Holstein-Gottorp: Hedwig Elisabeth Charlotte of Holstein-Gottorp (Swedish: "Hedvig Elisabeth Charlotta" ; 22 March 1759 – 20 June 1818) was Queen of Sweden and Norway as the wife of King Charles XIII and II. She was also a famed diarist, memoirist and wit. She is generally known in Sweden by her full pen name in Swedish (above), though her official name as queen was Charlotte.
Document 14: Juliane von Schwellenberg: Juliane Elisabeth von Schwellenberg (1728–1797), also known as "Madam Schwellenberg", was a bedchamber woman of the queen consort of Great Britain, Charlotte of Mecklenburg-Strelitz. She was a well known and prominent profile of the British royal court and household, where she took a dominant position. She is also frequently mentioned in contemporary satires, songs, memoirs, diaries and other writings, such as those of Fanny Burney, with whom she was involved in a famous conflict. von Schwellenberg was a favorite and confidant of queen Charlotte, and handled access between the queen and various supplicants, which gave her an important influence.
Document 15: Anne, Queen of Great Britain: Anne (6 February 1665 – 1 August 1714) became Queen of England, Scotland and Ireland on 8 March 1702. On 1 May 1707, under the Acts of Union, two of her realms, the kingdoms of England and Scotland, united as a single sovereign state known as Great Britain. She continued to reign as Queen of Great Britain and Ireland until her death.
ground_truth: portrait engraver