Question:
Vivien Leigh (born Vivian Mary Hartley, and also known as Lady Olivier after 1947; 5 November 1913 - 8 July 1967) was an English stage and film actress. She won two Academy Awards for Best Actress, for her iconic performances as Scarlett O'Hara in Gone with the Wind (1939) and Blanche DuBois in the film version of A Streetcar Named Desire (1951), a role she had also played on stage in London's West End in 1949. She also won a Tony Award for her work in the Broadway musical version of Tovarich (1963). After completing her drama school education, Leigh appeared in small roles in four films in 1935 and progressed to the role of heroine in Fire Over England (1937).
Laurence Olivier saw Leigh in The Mask of Virtue, and a friendship developed after he congratulated her on her performance. Olivier and Leigh began an affair while acting as lovers in Fire Over England (1937), but Olivier was still married to actress Jill Esmond. During this period, Leigh read the Margaret Mitchell novel Gone with the Wind and instructed her American agent to recommend her to David O. Selznick, who was planning a film version. She remarked to a journalist, "I've cast myself as Scarlett O'Hara", and The Observer film critic C. A. Lejeune recalled a conversation of the same period in which Leigh "stunned us all" with the assertion that Olivier "won't play Rhett Butler, but I shall play Scarlett O'Hara. Wait and see."  Despite her relative inexperience, Leigh was chosen to play Ophelia to Olivier's Hamlet in an Old Vic Theatre production staged at Elsinore, Denmark. Olivier later recalled an incident when her mood rapidly changed as she was preparing to go onstage. Without apparent provocation, she began screaming at him before suddenly becoming silent and staring into space. She was able to perform without mishap, and by the following day she had returned to normal with no recollection of the event. It was the first time Olivier witnessed such behaviour from her. They began living together, as their respective spouses had each refused to grant either of them a divorce. Under the moral standards then enforced by the film industry, their relationship had to be kept from public view.  Leigh appeared with Robert Taylor, Lionel Barrymore and Maureen O'Sullivan in A Yank at Oxford (1938), which was the first of her films to receive attention in the United States. During production, she developed a reputation for being difficult and unreasonable, partly because she disliked her secondary role but mainly because her petulant antics seemed to be paying dividends. After dealing with the threat of a lawsuit brought over a frivolous incident, Korda, however, instructed her agent to warn her that her option would not be renewed if her behaviour did not improve. Her next role was in Sidewalks of London, also known as St. Martin's Lane (1938), with Charles Laughton.  Olivier had been attempting to broaden his film career. He was not well known in the United States despite his success in Britain, and earlier attempts to introduce him to American audiences had failed. Offered the role of Heathcliff in Samuel Goldwyn's production of Wuthering Heights (1939), he travelled to Hollywood, leaving Leigh in London. Goldwyn and the film's director, William Wyler, offered Leigh the secondary role of Isabella, but she refused, preferring the role of Cathy, which went to Merle Oberon.
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How long did this affair last?

Answer:
They began living together, as their respective spouses had each refused to grant either of them a divorce.

Answer the question at the end by quoting:

Arthur Wellesley, 1st Duke of Wellington,  (1 May 1769 - 14 September 1852), was an Anglo-Irish soldier and statesman who was one of the leading military and political figures of 19th-century Britain, serving twice as Prime Minister. His defeat of Napoleon at the Battle of Waterloo in 1815 puts him in the first rank of Britain's military heroes. Wellesley was born in Dublin, into the Protestant Ascendancy in Ireland. He was commissioned as an ensign in the British Army in 1787, serving in Ireland as aide-de-camp to two successive Lords Lieutenant of Ireland.
Wellesley was born into an aristocratic Anglo-Irish family in Ireland as The Hon. Arthur Wesley, the third of five surviving sons (fourth otherwise) to Anne and Garret Wesley, 1st Earl of Mornington. His mother was the eldest daughter of The 1st Viscount Dungannon. As such, he belonged to the Protestant Ascendancy. His biographers mostly follow the same contemporary newspaper evidence in saying that he was born on 1 May 1769, the day before he was baptised. His birthplace is uncertain. He was most likely born at his parents' townhouse, 24 Upper Merrion Street, Dublin, now the Merrion Hotel. But his mother Anne, Countess of Mornington, recalled in 1815 that he had been born at 6 Merrion Street, Dublin. Other places have been put forward as the location of his birth, including Mornington House (the house next door on Upper Merrion), as his father had asserted; the Dublin packet boat; and the mansion in the family estate of Athy (consumed in the fires of 1916), as the Duke apparently put on his 1851 census return.  He spent most of his childhood at his family's two homes, the first a large house in Dublin and the second Dangan Castle, 3 miles (5 km) north of Summerhill on the Trim Road (now the R158) in County Meath. In 1781, Arthur's father died and his eldest brother Richard inherited his father's earldom.  He went to the diocesan school in Trim when at Dangan, Mr Whyte's Academy when in Dublin, and Brown's School in Chelsea when in London. He then enrolled at Eton College, where he studied from 1781 to 1784. His loneliness there caused him to hate it, and makes it highly unlikely that he actually said "The Battle of Waterloo was won on the playing fields of Eton", a quotation which is often attributed to him. Moreover, Eton had no playing fields at the time. In 1785, a lack of success at Eton, combined with a shortage of family funds due to his father's death, forced the young Wellesley and his mother to move to Brussels. Until his early twenties, Arthur showed little sign of distinction and his mother grew increasingly concerned at his idleness, stating, "I don't know what I shall do with my awkward son Arthur."  A year later, Arthur enrolled in the French Royal Academy of Equitation in Angers, where he progressed significantly, becoming a good horseman and learning French, which later proved very useful. Upon returning to England in late 1786, he astonished his mother with his improvement.

Did he go to college.
He then enrolled at Eton College, where he studied from 1781 to 1784.