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Dikran Tahta

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Dikran Tahta Armenian: Դիքրան Տիգրան Թահթա, 7 August 1928 – 2 December 2006 was a British-Armenian mathematician, teacher and author He was also the math teacher of Stephen Hawking


  • 1 Early life
  • 2 Career
  • 3 Bibliography
    • 31 Books
    • 32 Journal articles and book chapters
  • 4 References

Early life

Dikran Tahta was a descendant of an Armenian family of cotton merchants based in Istanbul His father Kevork Tahtabrounian settled in Manchester with his wife in 1927, after the First World War and the Armenian Genocide, to run a branch of the business which took the name Manchester Textile Exporters His father also shortened his surname to Tahta[1]

Much of his childhood, and the influence of his Armenian religious upbringing, is reflected upon in his penultimate book Ararat Associations, in which he notes how his parents were keen for their children to have an English education, yet made sure that they spoke Armenian at home He was christened by Bishop Tourian in the Armenian Church in Manchester, and his first name Dikran was shortened to Dick, but he never forgot his Armenian roots In his childhood, he would visit relatives in Constantinople every other year[1]

Some of these are reflected on in his book Ararat Associations, in which he remembers "my father, who would be standing, like the other males, with open arms extended in their own way of praying Kneeling was for women and children"

From Rossall School, in Fleetwood, Lancashire, he gained a scholarship to Christ Church, Oxford, in 1946 His main subject was Mathematics, but he also read widely in English literature, philosophy and history


Between leaving university and just before national service, Tahta took time out to catalogue the library of the late Archbishop Matheos Indjeian 1877–1950, and read a number of his books for the first time

Tahta did national service in the RAF from 1950 to 1952, then after a brief foray into journalism, returned to Rossall School in 1954, where he began teaching English and History, but gradually moved into mathematics teaching

In 1955, he moved to teach mathematics at St Albans School, Hertfordshire, where the young Stephen Hawking was a pupil When asked later to name a teacher who had inspired him, Hawking named "Mr Tahta"[2] Tahta remained at St Albans for six years before taking up the post of lecturer in mathematics education at St Luke's College, Exeter, in 1961 By 1974, he was a Mathematics tutor at the University of Exeter's School of Education at Thornlea, on the New North Road In 1978, the School of Education merged with St Luke's College to form the University's Department of Education He remained there until his retirement in late 1981

In the 1970s he was involved in the ATV television programme of mathematics for schools entitled 'Leapfrogs' produced and directed by Paul Martin and promoted visual approaches to mathematics His paper "On Geometry" argued that geometrical approaches to mathematics could not be reduced to algebraic approaches In line with this thinking, he produced the ATM book Geometric Images, and co-authored Images of Infinity with Ray Hemmings The Leapfrogs group of Tahta and Hemmings, together with David Sturgess, Leo Rogers and Derick Last also produced hands-on teaching materials including workbooks for the polycube He also drew upon insights into pedagogy in the writings of Mary Boole on mathematics education

After retirement, he went to teach in the United States and South Africa, and became a tutor for the Open University

His last book was The Fifteen Schoolgirls about Thomas Kirkman, known for the Kirkman's schoolgirl problem, a problem in combinatorics, which also delved into the byways of Victorian amateur mathematics

In his obituary, The Guardian newspaper described Tahta as "one of the outstanding mathematics teachers of his generation", who was notable for having inspired physicist Stephen Hawking The Guardian commented on his death that "He was a wise and generous man who inspired love and an increase of intellectual energy in everyone who came within his ambit"[2] Hawking later commented that "Thanks to Mr Tahta, I became a professor of mathematics at Cambridge, a position once held by Isaac Newton"[3]



  • A Boolean anthology: Selected writings of Mary Boole—on mathematical education, 1972 Compiled by DG Tahta
  • Tahta, D and Brookes, W 1966 "The Genesis of Mathematical Activity", in W Brookes Ed The Development of Mathematical Activity in Children: the place of the problem in this development
  • Images of Infinity, with Ray Hemmings
  • Ararat Associations, Black Apollo Press, ISBN 1-900355-50-7
  • The Fifteen Schoolgirls, Black Apollo Press, ISBN 1-900355-48-5

Journal articles and book chapters

  • Tahta, D 1981a ‘About geometry’, for the Learning of Mathematics, 11, 2-9
  • Tahta, D 1981b ‘Some thoughts arising from the new Nicolet films’, Mathematics Teaching, 94, 25-9
  • Tahta, D 1985 ‘On notation’, Mathematics Teaching, 112, 49-51
  • Tahta, D 1988 ‘Lucas turns in his grave’, in Pimm, D ed Mathematics, Teachers and Children, London, Hodder and Stoughton, pp 306–12
  • Tahta, D 1990a ‘Is there a geometrical imperative’, Mathematics Teaching, 129, 20-9
  • Tahta, D 1990b ‘Gratifying usefulness’, Mathematics Teaching, 132, 57-8
  • Tahta, D 1991 ‘Understanding and desire’, in Pimm, D and Love, E eds Teaching and Learning School Mathematics, London, Hodder and Stoughton, pp 221–46
  • Tahta, D 1992 ‘Curricular configurations’, Micromath, 82, 37-9


  1. ^ a b Merchants in Exile: The Armenians in Manchester, England, 1835-1935, Joan George, Gomidas Institute, 2002, ISBN 1903656087, p219, 225
  2. ^ a b Hoare, Geoffrey; Love, Eric 5 January 2007 "Dick Tahta: A maths teacher with gusto, he inspired the schoolboy Hawking" The Guardian
  3. ^ Stephen Hawking remembers best teacher, BBC News, 8 March 2016

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