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Thomas Wright (astronomer)

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Portrait of Thomas Wright

Thomas Wright (22 September 1711 – 25 February 1786) was an English astronomer, mathematician, instrument maker, architect and garden designer. He was the first to describe the shape of the Milky Way and to speculate that faint nebulæ were distant galaxies.

Early life

Wright was born at Byers Green in County Durham being the third son of John and Margaret Wright of Pegg's Poole House.[1] His father was a carpenter.[2] He was educated at home as he suffered from speech impediment and then at King James I Academy. In 1725 he entered into clock-making apprenticeship to Bryan Stobart of Bishop Auckland, continuing to study on his own. He also took courses on mathematics and navigation at a free school in the parish of Gateshead founded by Dr. Theophilus Pickering. Then, he went to London to study mathematical instrument-making with Heath and Sisson and made a trial sea voyage to Amsterdam.

In 1730, he set up a school in Sunderland, where he taught mathematics and navigation.[3] He later moved back to London to work on a number of projects for his wealthy patrons. He traveled in 1746-7 to Ireland which resulted in a book, Louthiana, with plans and engravings of the ancient monuments of County Louth, published in London in 1748. That was before retiring to County Durham and building a small observatory at Westerton.

Astronomy

Wright's publication An original theory or new hypothesis of the Universe (1750) explained the appearance of the Milky Way as "an optical effect due to our immersion in what locally approximates to a flat layer of stars."[4] This work influenced Immanuel Kant in writing his Universal Natural History and Theory of the Heavens (1755).[5] The theory was later empirically advanced by William Herschel in 1785,[6] leading to galactocentrism (a form of heliocentrism, with the Sun at the center of the Milky Way). Another of Wright's ideas, which is also often attributed to Kant, was that many faint nebulæ are actually incredibly distant galaxies. Wright wrote:[7][8]

Theory or new Hypothesis of the Universe
Wright's observatory/folly at Westerton, County Durham

...the many cloudy spots, just perceivable by us, as far without our Starry regions, in which tho' visibly luminous spaces, no one star or particular constituent body can possibly be distinguished; those in all likelihood may be external creation, bordering upon the known one, too remote for even our telescopes to reach.

Kant termed these "island universes." However "scientific arguments were marshalled against such a possibility," and this view was rejected by almost all scientists until 1924, when Edwin Hubble showed "spiral nebulæ" were distant galaxies by measuring Cepheids.[9]

In his letters, Wright emphasised the possible enormity of the universe, and the tranquility of eternity:[10]

In this great Celestial Creation, the Catastrophy of a World, such as ours, or even the total Dissolution of a System of Worlds, may possibly be no more to the great Author of Nature, than the most common Accident in Life with us, and in all Probability such final and general DoomsDays may be as frequent there, as even Birth-Days or Mortality with us upon this Earth.

…

Such a Prothesis can scarce be called less than an ocular Revelation, not only shewing us how reasonable it is to expect a future Life, but as it were, pointing out to us the Business of an Eternity, and what we may with the greatest Confidence expect from the eternal Providence, dignifying our Natures with something analogous to the Knowledge we attribute to Angels; from whence we ought to despise all the Vicissitudes of adverse Fortune, which make so many narrow-minded Mortals miserable.

Garden design

Wright has been credited with work for William Capel, 3rd Earl of Essex at Cassiobury Park in Watford, illustrating his designs in A Walk in Cassiobury Gardens and Views of Cassiobury. In Grotesque Architecture of 1767 there is a design for a rockwork bridge to decorate "the fine piece of water" he had "with great pleasure seen... at Cassiobury", believed[by whom?] to be by Wright. A man of talents, he also gave the Earl's daughters mathematical instruction. Another patron was the Earl of Halifax, at Horton House.

In the 1750s, he laid out the grounds of Netheravon House, Wiltshire and after 1753, completed the design and construction of Horton Hall in Northamptonshire and gardens.[11] He designed in 1769 the folly or eye-catcher known as Codger Fort[12] at Rothley, Northumberland, on the Wallington Hall estate.

One of the largest existing examples of Wright's work is the Stoke Park Estate.[13] The estate was remodelled by Wright between 1748 and 1766.

Death

Wright died in 1786 in Byers Green and was buried in the churchyard of St Andrew's, South Church, Bishop Auckland. He was survived by his illegitimate daughter.

References

  1. ^ Thomas Wright, Durham University Library, Archives and Special Collections
  2. ^ History and characteristics of Bishop Auckland by Matthew Richley
  3. ^ Biographical History of Mr. Thomas Wright, The Gentleman's Magazine, January 1793, Volume 73, p. 9.
  4. ^ Thomas Wright, An Original Theory or New Hypothesis of the Universe… (London, England: H. Chapelle, 1750). From p.48: "...the stars are not infinitely dispersed and distributed in a promiscuous manner throughout all the mundane space, without order or design,... this phænomenon [is] no other than a certain effect arising from the observer's situation,.... To a spectator placed in an indefinite space,... it [i.e., the Milky Way (Via Lactea)] [is] a vast ring of stars.… "
  5. ^ Sagan, Carl & Druyan, Ann (1997). Comet. New York: Random House. p. 83. ISBN 978-0-3078-0105-0.
  6. ^ Herschel, William (1 January 1785). "XII. On the construction of the heavens". Philosophical Transactions of the Royal Society of London. 75: 213–266. doi:10.1098/rstl.1785.0012. S2CID 186213203.
  7. ^ Wright (1750), pages 83-84.
  8. ^ quoted from An original theory or new hypothesis of the universe by Freeman Dyson, Disturbing the Universe, 1979, pg 245, ISBN 0-330-26324-2
  9. ^ Berendzen, Richard (1975). "Geocentric to heliocentric to galactocentric to acentric: the continuing assault to the egocentric". Vistas in Astronomy. 17: 65–83. doi:10.1016/0083-6656(75)90049-5. Retrieved 26 August 2020.
  10. ^ Wright (1750), page 76.
  11. ^ Historic England. "Netheravon House (1299956)". National Heritage List for England. Retrieved 23 June 2019.
  12. ^ Historic England. "Codger Fort (1371062)". National Heritage List for England. Retrieved 23 June 2019.
  13. ^ Historic England. "Stoke Park (1000129)". National Heritage List for England. Retrieved 10 September 2020.

Works

Sources

  • Eileen Harris, ed., Arbours and Grottos. A facsimile of the two parts of Universal Architecture, (1755 and 1758), with a catalogue of Wright's works in architecture and garden design, London: Scolar Press, 1979.
  • McCarthy, M. (1981). "Thomas Wright's 'Designs for temples' and related drawings for garden buildings". The Journal of Garden History. 1: 55–66. doi:10.1080/01445170.1981.10412363.
  • McCarthy, M. (1981). "Thomas Wright's designs for Gothic garden buildings". The Journal of Garden History. 1 (3): 239–252. doi:10.1080/01445170.1981.10412374.
  • Preston, Judy (2011). "A Polymath in Arcadia:Thomas Wright(1711–1786)" (PDF). Garden History. 38 (2): 159–176. JSTOR 41411752.
  • Eileen Harris, 'The Print That Never Was: Thomas Wright's Unpublished Edinburgh Almanack for 1733', Print Quarterly, vol. XXIX, no. 3, September 2012, pp. 280–288.
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