Title: James Dyson (schoolmaster)
Content:  James William Dyson (29 June 1875 – 6 March 1965) was an English schoolmaster whose subject was maths. After teaching at schools in Faversham and Wellingborough, for most of his career he was head of Boston Grammar School and Ripon Grammar School.
Title: James Dyson (schoolmaster)
Content:  Born at Wellingborough, Dyson was the eldest son of James Greaves Dyson, a corn merchants’ agent, of Wellingborough, originally from Ambleside, Westmorland. The young Dyson was educated at Wellingborough Grammar School under the headship of Dr H. E. Platt. In the Cambridge schools examinations of December 1891, he gained distinctions in mathematics and applied mathematics. In June 1894 he was admitted as a sizar to St John's College, Cambridge, which was the old college of his headmaster, Dr Platt, and matriculated in the Michaelmas term of that year. His room at St John's, H2 in First Court, had previously been occupied by Charles Stewart Middlemiss. Dyson graduated BA in 1897 and proceeded to MA by seniority in 1902. Dyson had three younger brothers, Harry, Arthur, and George, and two younger sisters, Elizabeth and Gertrude. By 1891 their father was a corn merchant on his own account.
Title: James Dyson (physicist)
Content:  James Dyson FRS (10 December 1914 – 22 January 1990) was a British physicist who specialized in optics. Dyson was the son of a joiner and cabinet maker with a flair for invention. In October 1939 he was living in Rugby, Warwickshire, and was an instrument transformer design engineer. After working in the Research Laboratory of Associated Electrical Industries, he joined the Optics Division of the National Physical Laboratory. Dyson was elected a Fellow of the Royal Society (FRS) in 1968.
Title: James Dyson (schoolmaster)
Content:  In 1903, Dyson married Ethel Johnson, a native of Cambridge. A son, Alec William, was born in Boston in 1913. In 1939, the couple was living in retirement at Thriplow, near Cambridge, with their son, also a schoolmaster. In 1940, at Cambridge, Alec Dyson married Janet M. Bolton, daughter of the Vicar of Fowlmere, a short distance from Thriplow, and they were the parents of James Dyson, born at Cromer in 1947, and two other children. J. W. Dyson and his wife moved to Colne Place, Cromer, to be near their son's family in Holt, Norfolk. Their son died of cancer in May 1956, and Ethel Dyson died in August 1959. J. W. Dyson followed in 1965, in his ninetieth year.
Title: James Dyson
Content:  Sir James Dyson (born 2 May 1947) is a British inventor, industrial designer, farmer and billionaire entrepreneur who founded Dyson Ltd. He is best known as the inventor of the dual cyclone bagless vacuum cleaner, which works on the principle of cyclonic separation. According to the Sunday Times Rich List 2021, he is the fourth richest person in the UK with an estimated net worth of £16.3 billion. He served as the Provost of the Royal College of Art from August 2011 to July 2017, and opened a new University, the Dyson Institute of Engineering and Technology, on Dyson's Wiltshire Campus in September 2017.
Title: Jimmy Dyson
Content:  James Middleton Dyson (4 March 1907 – 2000) was an English professional footballer who played as a Winger.
Title: James Dyson (schoolmaster)
Content:  Dyson began his teaching career in the Michaelmas term of 1897, weeks after graduating at Cambridge, with an appointment as an assistant schoolmaster at Faversham Grammar School, and remained there for four years. In 1901 he took a job at his old school in Wellingborough and rose there to be a house master and the senior maths master. In 1912, he gained his first headship, at Boston Grammar School, and in 1919 was appointed as headmaster of Ripon Grammar School. He made it a condition of accepting the job at Ripon that the school governors would agree to abolish cubicles in the boarding house. He remained in post until 1935, when he retired. Jack Gibson, one of Dyson's staff at Ripon in the 1930s, later reported "Dyson had gathered an exceptionally genial and skilled group of people, who worked hard, and getting the best out of the teachers and workers was possible due to his readiness to discuss problems and help wherever necessary."
Title: James Dyson
Content:  James Dyson was born 2 May 1947 in Cromer, Norfolk, one of three children, and named after his grandfather, James Dyson. He was educated at Gresham's School, an independent boarding school in Holt, Norfolk, from 1956 to 1965, when his father died of prostate cancer. He excelled at long-distance running: "I was quite good at it, not because I was physically good, but because I had more determination. I learnt determination from it." He spent one year (1965–1966) at the Byam Shaw School of Art, and then studied furniture and interior design at the Royal College of Art (1966–1970) before moving into engineering. It was whilst attending the Royal College of Art to study fine art that Dyson made the switch to industrial design due in part to the tutorage of the structural engineer Anthony Hunt.
Title: James Dyson (footballer)
Content:  James Gareth Dyson (born 20 April 1979) is an English former professional footballer who played for Birmingham City in the Football League. He played as a midfielder.
Title: George Dyson (composer)
Content:  Sir George Dyson (28 May 1883 – 28 September 1964) was an English musician and composer. After studying at the Royal College of Music (RCM) in London, and army service in the First World War, he was a schoolmaster and college lecturer. In 1938 he became director of the RCM, the first of its alumni to do so. As director he instituted financial and organisational reforms and steered the college through the difficult days of the Second World War. As a composer Dyson wrote in a traditional idiom, reflecting the influence of his teachers at the RCM, Hubert Parry and Charles Villiers Stanford. His works were well known during his lifetime but underwent a period of neglect before being revived in the late 20th century.

Question: who is sir james dyson?
Answer: Designer.