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Anglo-Irish mathematician and physicist

Sir George Stokes Bt PRS

Born	George Gabriel Stokes (1819-08-13)13 August 1819 Skreen, County Sligo, Ireland
Died	1 February 1903(1903-02-01) (aged 83) Cambridge, England
Alma mater	Pembroke College, Cambridge
Known for	Stokes' theorem Navier–Stokes equations Stokes' law Stokes's law of sound attenuation Stokes shift Stokes number Stokes problem Stokes relations Stokes phenomenon Stokes parameters Stokes wave
Awards	Smith's Prize (1841) Rumford Medal (1852) Copley Medal (1893)
Scientific career
Fields	Mathematics and physics
Institutions	Pembroke College, Cambridge
Academic advisors	William Hopkins
Notable students	Lord Rayleigh Horace Lamb

Signature

Sir George Gabriel Stokes, 1st Baronet, PRS (; 13 August 1819 – 1 February 1903) was an Irish English physicist and mathematician. Born in County Sligo, Ireland, Stokes spent all of his career at the University of Cambridge, where he was the Lucasian Professor of Mathematics from 1849 until his death in 1903. As a physicist, Stokes made seminal contributions to fluid mechanics, including the Navier–Stokes equations and to physical optics, with notable works on polarization and fluorescence. As a mathematician, he popularised "Stokes' theorem" in vector calculus and contributed to the theory of asymptotic expansions. Stokes, along with Felix Hoppe-Seyler, first demonstrated the oxygen transport function of hemoglobin and showed color changes produced by aeration of hemoglobin solutions.

Stokes was made a baronet (hereditary knight) by the British monarch in 1889. In 1893 he received the Royal Society's Copley Medal, then the most prestigious scientific prize in the world, "for his researches and discoveries in physical science". He represented Cambridge University in the British House of Commons from 1887 to 1892, sitting as a Conservative. Stokes also served as president of the Royal Society from 1885 to 1890 and was briefly the Master of Pembroke College, Cambridge.

Biography [edit]

George Stokes was the youngest son of the Reverend Gabriel Stokes (died 1834), a clergyman in the Church of Ireland who served as rector of Skreen, in County Sligo and his wife Elizabeth Haughton, daughter of the Reverend John Haughton. Stokes home life was strongly influenced by his father's evangelical Protestantism: three of his brothers entered the Church, of whom the most eminent was John Whitley Stokes, Archdeacon of Armagh.^[1] John and George were always close, and George lived with John while attending school in Dublin. Of all his family he was closest to his sister Elizabeth. Their mother was remembered in the family as "beautiful but very stern". After attending schools in Skreen, Dublin, and Bristol, in 1837 Stokes matriculated at Pembroke College, Cambridge. Four years later he graduated as senior wrangler and first Smith's prizeman, achievements that earned him election of a fellow of the college.^[2] In accordance with the college statutes, Stokes had to resign the fellowship when he married in 1857. Twelve years later, under new statutes, he was re-elected to the fellowship and he retained that place until 1902, when on the day before his 83rd birthday, he was elected as the college's Master. Stokes did not hold that position for long, for he died at Cambridge on 1 February the following year, and was buried in the Mill Road cemetery. There is also a memorial to him in the north aisle at Westminster Abbey.^[3]

Career [edit]

In 1849, Stokes was appointed to the Lucasian professorship of mathematics at Cambridge, a position he held until his death in 1903. On 1 June 1899, the jubilee of this appointment was celebrated there in a ceremony, which was attended by numerous delegates from European and American universities. A commemorative gold medal was presented to Stokes by the chancellor of the university and marble busts of Stokes by Hamo Thornycroft were formally offered to Pembroke College and to the university by Lord Kelvin. Stokes, who was made a baronet in 1889, further served his university by representing it in parliament from 1887 to 1892 as one of the two members for the Cambridge University constituency. During a portion of this period (1885–1890) he also was president of the Royal Society, of which he had been one of the secretaries since 1854. Since he was also Lucasian Professor at this time, Stokes was the first person to hold all three positions simultaneously; Newton held the same three, although not at the same time.

Stokes was the oldest of the trio of natural philosophers, James Clerk Maxwell and Lord Kelvin being the other two, who especially contributed to the fame of the Cambridge school of mathematical physics in the middle of the 19th century. Stokes's original work began about 1840, and from that date onwards the great extent of his output was less remarkable only than the brilliance of its quality. The Royal Society's catalogue of scientific papers gives the titles of over a hundred memoirs by him published down to 1883. Some of these are only brief notes, others are short controversial or corrective statements, but many are long and elaborate treatises.

Contributions to science [edit]

In scope, his work covered a wide range of physical inquiry but, as Marie Alfred Cornu remarked in his Rede Lecture of 1899,^[4] the greater part of it was concerned with waves and the transformations imposed on them during their passage through various media.

Fluid dynamics [edit]

His first published papers, which appeared in 1842 and 1843, were on the steady motion of incompressible fluids and some cases of fluid motion.^[5] ^[6] These were followed in 1845 by one on the friction of fluids in motion and the equilibrium and motion of elastic solids,^[7] and in 1850 by another on the effects of the internal friction of fluids on the motion of pendulums.^[8] To the theory of sound he made several contributions, including a discussion of the effect of wind on the intensity of sound^[9] and an explanation of how the intensity is influenced by the nature of the gas in which the sound is produced.^[10] These inquiries together put the science of fluid dynamics on a new footing, and provided a key not only to the explanation of many natural phenomena, such as the suspension of clouds in air, and the subsidence of ripples and waves in water, but also to the solution of practical problems, such as the flow of water in rivers and channels, and the skin resistance of ships.

Creeping flow [edit]

His work on fluid motion and viscosity led to his calculating the terminal velocity for a sphere falling in a viscous medium.^[11] This became known as Stokes' law. He derived an expression for the frictional force (also called drag force) exerted on spherical objects with very small Reynolds numbers.

His work is the basis of the falling sphere viscometer, in which the fluid is stationary in a vertical glass tube. A sphere of known size and density is allowed to descend through the liquid. If correctly selected, it reaches terminal velocity, which can be measured by the time it takes to pass two marks on the tube. Electronic sensing can be used for opaque fluids. Knowing the terminal velocity, the size and density of the sphere, and the density of the liquid, Stokes's law can be used to calculate the viscosity of the fluid. A series of steel ball bearings of different diameter is normally used in the classic experiment to improve the accuracy of the calculation. The school experiment uses glycerine as the fluid, and the technique is used industrially to check the viscosity of fluids used in processes.

The same theory explains why small water droplets (or ice crystals) can remain suspended in air (as clouds) until they grow to a critical size and start falling as rain (or snow and hail). Similar use of the equation can be made in the settlement of fine particles in water or other fluids.

The CGS unit of kinematic viscosity was named "stokes" in recognition of his work.

Light [edit]

Perhaps his best-known researches are those which deal with the wave theory of light. His optical work began at an early period in his scientific career. His first papers on the aberration of light appeared in 1845 and 1846,^[12] ^[13] and were followed in 1848 by one on the theory of certain bands seen in the spectrum.^[14]

In 1849 he published a long paper on the dynamical theory of diffraction, in which he showed that the plane of polarisation must be perpendicular to the direction of propagation.^[15] Two years later he discussed the colours of thick plates.^[16]

Stokes also investigated George Airy's mathematical description of rainbows.^[17] Airy's findings involved an integral that was awkward to evaluate. Stokes expressed the integral as a divergent series, which were little understood. However, by cleverly truncating the series (i.e., ignoring all except the first few terms of the series), Stokes obtained an accurate approximation to the integral that was far easier to evaluate than the integral itself.^[18] Stokes's research on asymptotic series led to fundamental insights about such series.^[19]

Fluorescence [edit]

In 1852, in his famous paper on the change of wavelength of light, he described the phenomenon of fluorescence, as exhibited by fluorspar and uranium glass, materials which he viewed as having the power to convert invisible ultra-violet radiation into radiation of longer wavelengths that are visible.^[20] The Stokes shift, which describes this conversion, is named in Stokes's honour. A mechanical model, illustrating the dynamical principle of Stokes's explanation was shown. The offshoot of this, Stokes line, is the basis of Raman scattering. In 1883, during a lecture at the Royal Institution, Lord Kelvin said he had heard an account of it from Stokes many years before, and had repeatedly but vainly begged him to publish it.^[21]

Polarization [edit]

A calcite crystal laid upon a paper with some letters showing the double refraction

In the same year, 1852, there appeared the paper on the composition and resolution of streams of polarised light from different sources,^[22] and in 1853 an investigation of the metallic reflection exhibited by certain non-metallic substances.^[23] The research was to highlight the phenomenon of light polarisation. About 1860 he was engaged in an inquiry on the intensity of light reflected from, or transmitted through, a pile of plates;^[24] and in 1862 he prepared for the British Association a valuable report on double refraction, a phenomenon where certain crystals show different refractive indices along different axes.^[25] Perhaps the best known crystal is Iceland spar, transparent calcite crystals.

A paper on the long spectrum of the electric light bears the same date,^[26] and was followed by an inquiry into the absorption spectrum of blood.^[27]

Chemical analysis [edit]

The chemical identification of organic bodies by their optical properties was treated in 1864;^[28] and later, in conjunction with the Rev. William Vernon Harcourt, he investigated the relation between the chemical composition and the optical properties of various glasses, with reference to the conditions of transparency and the improvement of achromatic telescopes.^[29] A still later paper connected with the construction of optical instruments discussed the theoretical limits to the aperture of microscope objectives.^[30]

Other work [edit]

In other departments of physics may be mentioned his paper on the conduction of heat in crystals (1851)^[31] and his inquiries in connection with Crookes radiometer;^[32] his explanation of the light border frequently noticed in photographs just outside the outline of a dark body seen against the sky (1882);^[33] and, still later, his theory of the x-rays, which he suggested might be transverse waves travelling as innumerable solitary waves, not in regular trains.^[34] Two long papers published in 1849 – one on attractions and Clairaut's theorem,^[35] and the other on the variation of gravity at the surface of the earth (1849) – Stokes' gravity formula^[36]—also demand notice, as do his mathematical memoirs on the critical values of sums of periodic series (1847)^[37] and on the numerical calculation of a class of definite integrals and infinite series (1850)^[38] and his discussion of a differential equation relating to the breaking of railway bridges (1849),^[39] research related to his evidence given to the Royal Commission on the Use of Iron in Railway structures after the Dee Bridge disaster of 1847.

Unpublished research [edit]

Many of Stokes' discoveries were not published, or were only touched upon in the course of his oral lectures. One such example is his work in the theory of spectroscopy.

In his presidential address to the British Association in 1871, Lord Kelvin stated his belief that the application of the prismatic analysis of light to solar and stellar chemistry had never been suggested directly or indirectly by anyone else when Stokes taught it to him at Cambridge University some time prior to the summer of 1852, and he set forth the conclusions, theoretical and practical, which he learnt from Stokes at that time, and which he afterwards gave regularly in his public lectures at Glasgow.^[40]

These statements, containing as they do the physical basis on which spectroscopy rests, and the way in which it is applicable to the identification of substances existing in the sun and stars, make it appear that Stokes anticipated Kirchhoff by at least seven or eight years. Stokes, however, in a letter published some years after the delivery of this address, stated that he had failed to take one essential step in the argument—not perceiving that emission of light of definite wavelength not merely permitted, but necessitated, absorption of light of the same wavelength. He modestly disclaimed "any part of Kirchhoff's admirable discovery," adding that he felt some of his friends had been over-zealous in his cause.^[41] It must be said, however, that English men of science have not accepted this disclaimer in all its fullness, and still attribute to Stokes the credit of having first enunciated the fundamental principles of spectroscopy.

In another way, too, Stokes did much for the progress of mathematical physics. Soon after he was elected to the Lucasian chair he announced that he regarded it as part of his professional duties to help any member of the university in difficulties he might encounter in his mathematical studies, and the assistance rendered was so real that pupils were glad to consult him, even after they had become colleagues, on mathematical and physical problems in which they found themselves at a loss. Then during the thirty years he acted as secretary of the Royal Society he exercised an enormous if inconspicuous influence on the advancement of mathematical and physical science, not only directly by his own investigations, but indirectly by suggesting problems for inquiry and inciting men to attack them, and by his readiness to give encouragement and help.

Contributions to engineering [edit]

The Dee Bridge after its collapse

Stokes was involved in several investigations into railway accidents, especially the Dee Bridge disaster in May 1847, and he served as a member of the subsequent Royal Commission into the use of cast iron in railway structures. He contributed to the calculation of the forces exerted by moving engines on bridges. The bridge failed because a cast iron beam was used to support the loads of passing trains. Cast iron is brittle in tension or bending, and many other similar bridges had to be demolished or reinforced.

Fallen Tay Bridge from the north

He appeared as an expert witness at the Tay Bridge disaster, where he gave evidence about the effects of wind loads on the bridge. The centre section of the bridge (known as the High Girders) was completely destroyed during a storm on 28 December 1879, while an express train was in the section, and everyone aboard died (more than 75 victims). The Board of Inquiry listened to many expert witnesses, and concluded that the bridge was "badly designed, badly built and badly maintained".^[42]

As a result of his evidence, he was appointed a member of the subsequent Royal Commission into the effect of wind pressure on structures. The effects of high winds on large structures had been neglected at that time, and the commission conducted a series of measurements across Britain to gain an appreciation of wind speeds during storms, and the pressures they exerted on exposed surfaces.

Work on religion [edit]

Stokes generally held conservative religious values and beliefs. In 1886, he became president of the Victoria Institute, which had been founded to defend evangelical Christian principles against challenges from the new sciences, especially the Darwinian theory of biological evolution. He gave the 1891 Gifford lecture on natural theology.^[43] ^[44] He was also the vice-president of the British and Foreign Bible Society and was actively involved in doctrinal debates concerning missionary work.^[45] However, although his religious views were mostly orthodox, he was unusual among Victorian evangelicals in rejecting eternal punishment in hell, and instead was a proponent of Conditionalism.^[46]

As President of the Victoria Institute, Stokes wrote: "We all admit that the book of Nature and the book of Revelation come alike from God, and that consequently there can be no real discrepancy between the two if rightly interpreted. The provisions of Science and Revelation are, for the most part, so distinct that there is little chance of collision. But if an apparent discrepancy should arise, we have no right on principle, to exclude either in favour of the other. For however firmly convinced we may be of the truth of revelation, we must admit our liability to err as to the extent or interpretation of what is revealed; and however strong the scientific evidence in favour of a theory may be, we must remember that we are dealing with evidence which, in its nature, is probable only, and it is conceivable that wider scientific knowledge might lead us to alter our opinion". ^[47]

Personal life [edit]

He married, on 4 July 1857 at St Patrick's Cathedral, Armagh, Mary Susanna Robinson, daughter of the astronomer Rev Thomas Romney Robinson. They had five children: Arthur Romney, who inherited the baronetcy; Susanna Elizabeth, who died in infancy; Isabella Lucy (Mrs Laurence Humphry) who contributed the personal memoir of her father in "Memoir and Scientific Correspondence of the Late George Gabriel Stokes, Bart"; Dr William George Gabriel, physician, a troubled man who committed suicide aged 30 whilst temporarily insane; and Dora Susanna, who died in infancy. His male line and hence his baronetcy is extinct but through the female line he is survived by one great great grandson, one great great granddaughter, and three great great great grandchildren.

Legacy and honours [edit]

Lucasian Professor of Mathematics at Cambridge University
From the Royal Society, of which he became a fellow in 1851, he received the Rumford Medal in 1852 in recognition of his inquiries into the wavelength of light, and later, in 1893, the Copley Medal.
In 1869 he presided over the Exeter meeting of the British Association.
From 1883 to 1885 he was Burnett lecturer at Aberdeen, his lectures on light, which were published in 1884–1887, dealing with its nature, its use as a means of investigation, and its beneficial effects.
On 18 April 1888 he was admitted as a Freeman of the City of London.^[48]
On 6 July 1889 Queen Victoria created him the Baronet Stokes of Lensfield Cottage in the Baronetage of the United Kingdom; the title became extinct in 1916.^[49]
In 1891, as Gifford lecturer, he published a volume on Natural Theology.
Member of the Prussian Order Pour le Mérite
His academic distinctions included honorary degrees from many universities, including
- Doctor mathematicae (honoris causa) from the Royal Frederick University on 6 September 1902, when they celebrated the centennial of the birth of mathematician Niels Henrik Abel.^[50] ^[51]
The stokes, a unit of kinematic viscosity, is named after him.
In July 2017, Dublin City University named a building after Stokes in recognition of his contributions to physics and mathematics.^[52]

Publications [edit]

Stokes's mathematical and physical papers (see external links) were published in a collected form in five volumes; the first three (Cambridge, 1880, 1883, and 1901) under his own editorship, and the two last (Cambridge, 1904 and 1905) under that of Sir Joseph Larmor, who also selected and arranged the Memoir and Scientific Correspondence of Stokes published at Cambridge in 1907.

References [edit]

^ George Gabriel Stokes Biography
^ "Stokes, George Gabriel (STKS837GG)". A Cambridge Alumni Database. University of Cambridge.
^ 'The Abbey Scientists' Hall, A.R. p58: London; Roger & Robert Nicholson; 1966
^ Cornu, Alfred (1899). "La théorie des ondes lumineuses: son influence sur la physique moderne" [The theory of light waves: its influence on modern physics]. Transactions of the Cambridge Philosophical Society (in French). 18: xvii–xxviii.
^ Stokes, G.G. (1842). "On the steady motion of incompressible fluids". Transactions of the Cambridge Philosophical Society. 7: 439–453.
^ Stokes, G.G. (1843). "On some cases of fluid motion". Transactions of the Cambridge Philosophical Society. 8: 105–137.
^ Stokes, G.G. (1845). "On the theories of the internal friction of fluids in motion and of the equilibrium and motion of elastic solids". Transactions of the Cambridge Philosophical Society. 8: 287–319.
^ Stokes, G. G. (1851). "On the effect of internal friction of fluids on the motion of pendulums". Transactions of the Cambridge Philosophical Society. 9, part ii: 8–106. Bibcode:1851TCaPS...9....8S.
^ Stokes, G.G. (1858). "On the effect of wind on the intensity of sound". Report of the Twenty-seventh Meeting of the British Association for the Advancement of Science; held at Dublin in August and September 1857: Notices and Abstracts of Miscellaneous Communications to the Sections. London, England: John Murray. pp. 22–23.
^ Stokes, G.G. (1868). "On the communication of vibration from a vibrating body to a surrounding gas". Philosophical Transactions of the Royal Society of London. 158: 447–463. doi:10.1098/rstl.1868.0017.
^ Stokes, G. G. (1851). "On the effect of internal friction of fluids on the motion of pendulums". Transactions of the Cambridge Philosophical Society. 9, part ii: 8–106. Bibcode:1851TCaPS...9....8S. The formula for terminal velocity (V) appears on p. [52], equation (127).
^ Stokes, G. G. (1845). "On the aberration of light". Philosophical Magazine. 3rd series. 27 (177): 9–15. doi:10.1080/14786444508645215.
^ Stokes, G.G. (1846). "On Fresnel's theory of the aberration of light". Philosophical Magazine. 3rd series. 28 (184): 76–81.
^ Stokes, G. G. (1848). "On the theory of certain bands seen in the spectrum". Philosophical Transactions of the Royal Society of London. 138: 227–242. doi:10.1098/rstl.1848.0016. S2CID 110243475.
^ Stokes, G. G. (1849). "On the dynamical theory of diffraction". Transactions of the Cambridge Philosophical Society. 9: 1–62.
^ Stokes, G.G. (1851). "On the colours of thick plates". Transactions of the Cambridge Philosophical Society. 9 (part ii): 147–176. Bibcode:1851TCaPS...9..147S.
^
See:
- G. B. Airy (1838) "On the intensity of light in the neighbourhood of a caustic," Transactions of the Cambridge Philosophical Society 6 (3): 379 – 403.
- G. B. Airy (1849) "Supplement to a paper , "On the intensity of light in the neighbourhood of a caustic," " Transactions of the Cambridge Philosophical Society 8: 595–600.
^
See:
- G. G. Stokes (presented: 1850; published: 1856) "On the numerical calculation of a class of definite integrals and infinite series," Transactions of the Cambridge Philosophical Society, vol. 9, part I, pages 166–188.
- G. G. Stokes (presented: 1857; published: 1864) "On the discontinuity of arbitrary constants which appear in divergent developments," Transactions of the Cambridge Philosophical Society, vol. 10, part I, pp. 105–124. After its presentation, an Appendix was added to this paper; see pages 125–128.
^ See, for example, Wikipedia's articles "Stokes line" and "asymptotic expansions" as well as the obituary of mathematician Robert Balson Dingle (1926–2010), who investigated asymptotic series.
^ Stokes, G. G. (1852) "On the change of refrangibility of light," Philosophical Transactions of the Royal Society of London, 142: 463–562.
^ Thomson, William (2 February 1883). "The size of atoms". Notices of the Proceedings at the Meetings of the Members of the Royal Institution of Great Britain, …. 10: 185–213. ; see pp. 207–208.
^ Stokes, G. G. (1852). "On the composition and resolution of streams of polarized light from different sources". Transactions of the Cambridge Philosophical Society. 9: 399–416. Bibcode:1851TCaPS...9..399S.
^ Stokes, G. G. (1853). "On the metallic reflection exhibited by certain nonmetallic substances". Philosophical Magazine. 4th series. 6: 393–403. doi:10.1080/14786445308647395.
^ Stokes, George G. (1862). "On the intensity of the light reflected from or transmitted through a pile of plates". Proceedings of the Royal Society of London. 11: 545–556. doi:10.1098/rspl.1860.0119.
^ Stokes, G. G. (1863). "Report on double refraction". Report of the Thirty-second Meeting of the British Association for the Advancement of Science; held at Cambridge in October 1862. London, England: John Murray. pp. 253–282.
^ Stokes, G. G. (1862). "On the long spectrum of electric light". Philosophical Transactions of the Royal Society of London. 152: 599–619. doi:10.1098/rstl.1862.0030.
^
In 1862, the German physiologist Felix Hoppe-Seyler (1825–1895) had examined the absorption spectrum of blood:
- Hoppe, Felix (1862). "Ueber das Verhalten des Blutfarbstoffes im Spectrum des Sonnenlichtes" [On the behavior of the pigment of blood in the spectrum of sunlight]. Archiv für pathologische Anatomie und Physiologie und für klinische Medicin (in German). 23 (3–4): 446–449. doi:10.1007/bf01939277. S2CID 39108151.
However, Hoppe did not provide an illustration of blood's absorption spectrum, which Stokes did provide:
- Stokes, G. G. (1864). "On the reduction and oxidation of the colouring matter of the blood". Proceedings of the Royal Society of London. 13 (66): 355–364. doi:10.1098/rspl.1863.0080.
^ Stokes, G. G. (1864). "On the application of the optical properties of bodies to the detection and discrimination of organic substances". Journal of the Chemical Society. 17: 304–318. doi:10.1039/js8641700304.
^ Stokes, G. G. (1872). "Notice of the researches of the late Rev. William Vernon Harcourt, on the conditions of transparency in glass, and the connexion between the chemical constitution and optical properties of different glasses". Report of the Forty-first Meeting of the British Association for the Advancement of Science; held at Edinburgh in August 1871: Notices and Abstracts of Miscellaneous Communications to the Sections. London, England: John Murray. pp. 38–41.
^ Stokes, G. G. (July 1878). "On the question of a theoretical limit to the apertures of microscopic objectives". Journal of the Royal Microscopical Society. 1 (3): 139–142. doi:10.1111/j.1365-2818.1878.tb05472.x.
^ Stokes, G. G. (1851). "On the conduction of heat in crystals". The Cambridge and Dublin Mathematical Journal. 6: 215–238.
^ Stokes, G. G. (1877). "On certain movements of radiometers". Proceedings of the Royal Society of London. 26 (179–184): 546–555. Bibcode:1877RSPS...26..546S. doi:10.1098/rspl.1877.0076.
^ Stokes, G. G. (25 May 1882). "On the cause of the light border frequently noticed in photographs just outside the outline of a dark body seen against the sky; with some introductory remarks on phosphorescence". Proceedings of the Royal Society of London. 34 (220–223): 63–68. Bibcode:1882RSPS...34...63S. doi:10.1098/rspl.1882.0012. S2CID 140690553.
^
See:
- Stokes, G. G. (1896). "On the nature of Röntgen rays". Proceedings of the Cambridge Philosophical Society. 9: 215–216.
- Stokes, G. G. (3 September 1896). "On the Röntgen rays". Nature. 54 (1401): 427–430. Bibcode:1896Natur..54R.427.. doi:10.1038/054427b0. ; see especially p. 430.
- Stokes, G. G. (1897). "The Wilde Lecture: On the nature of the Röntgen rays". Memoirs and Proceedings of the Manchester Literary & Philosophical Society. 41 (15): 1–28. ; see especially pp. 24–25.
^ Stokes, G. G. (1849). "On attractions, and on Clairaut's theorem". The Cambridge and Dublin Mathematical Journal. 4: 194–219.
^ Stokes, G. G. (1849). "On the variation of gravity at the surface of the Earth". Transactions of the Cambridge Philosophical Society. 8: 672–695.
^ G. G. Stokes (presented: 1847; published: 1849) "On the critical values of the sums of periodic series," Transactions of the Cambridge Philosophical Society, 8 : 533–583.
^ G. G. Stokes (presented: 1850; published: 1856) "On the numerical calculation of a class of definite integrals and infinite series," Transactions of the Cambridge Philosophical Society, 9 (part 1): 166–188.
^ Stokes, G. G. (1849). "Discussion of a differential equation relating to the breaking of railway bridges". Transactions of the Cambridge Philosophical Society. 8: 707–735.
^ Thomson, William (1871). "Address of Sir William Thomson, Knt., LL.D., F.R.S., President". Report of the Forty-first Meeting of the British Association for the Advancement of Science; held at Edinburgh in August 1871. London, England: John Murray. pp. lxxxiv–cv. ; see pp. xcv–xcvi.
^ Whitmell, C.T.L.; Stokes, G. G. (6 January 1876). "Prof. Stokes on the early history of spectrum analysis". Nature. 13 (323): 188–189. Bibcode:1876Natur..13..188W. doi:10.1038/013188c0.
^ Rothery, Henry (1880). "Report of the Court of Inquiry and Report of Mr Rothery Upon the Circumstances attending the Fall of a Portion of the Tay Bridge on the 28th December 1879" (PDF). Her Majesty's Stationery Office. p. 44.
^ "Lucasian Chair.org". Archived from the original on 16 October 2013. Retrieved 8 April 2008.
^ Stokes, Sir G. G. (1891). Natural Theology. Adam and Charles Black, Edinburgh.
^ Schlossberg, Herbert. (2009). Conflict and crisis in the religious life of late victorian England. New Brunswick, NJ: Transaction Publishers. p. 46. ISBN978-1-4128-1027-2.
^ Mathieson, Stuart (8 June 2020). "Stokes: Victorian Britain's Most Important Religious Scientist". Philosophical Transactions of the Royal Society A. 378 (2174): 7-8. doi:10.1098/rsta.2019.0518. PMID 32507092.
^ Notes by the President on the Origin of the Books of Revelation and of Nature: Journal of Transactions of the Victoria Institute 22 (1888–1889).
^ London Metropolitan Archive; Reference Number: COL/CHD/FR/02/2275-2278
^ http://www.hereditarytitles.com Archived 13 December 2004 at the Wayback Machine
^ "Foreign degrees for British men of Science". The Times (36867). London. 8 September 1902. p. 4.
^ "Honorary doctorates from the University of Oslo 1902–1910". (in Norwegian)
^ DCU names three buildings after inspiring women scientists Raidió Teilifís Éireann, 5 July 2017

This article incorporates text from a publication now in the public domain:Chisholm, Hugh, ed. (1911). "Stokes, Sir George Gabriel". Encyclopædia Britannica. 25 (11th ed.). Cambridge University Press. pp. 951–953.

External links [edit]

Sir George Stokes, 1st Baronet at the Mathematics Genealogy Project
O'Connor, John J.; Robertson, Edmund F., "Sir George Stokes, 1st Baronet", MacTutor History of Mathematics archive, University of St Andrews
Biography on Dublin City University Web site
George Gabriel Stokes (1907). Memoir and Scientific Correspondence of the Late Sir George Gabriel Stokes ... University press. (1907), ed. by J. Larmor
Mathematical and physical papers volume 1 and volume 2 from the Internet Archive
Mathematical and physical papers, volumes 1 to 5 from the University of Michigan Digital Collection.
Life and work of Stokes
Natural Theology (1891), Adam and Charles Black. (1891–93 Gifford Lectures)
Works by or about Sir George Stokes, 1st Baronet at Internet Archive
Hansard 1803–2005: contributions in Parliament by Sir George Stokes

Parliament of the United Kingdom
Preceded by Henry Cecil Raikes Alexander Beresford Hope	Member of Parliament for Cambridge University 1887 – 1892 With: Henry Cecil Raikes to 1891 Sir Richard Claverhouse Jebb from 1891	Succeeded by Sir Richard Claverhouse Jebb Sir John Eldon Gorst
Baronetage of the United Kingdom
New creation	Baronet (of Lensfield Cottage) 1889–1903	Succeeded by Arthur Stokes
Professional and academic associations
Preceded by Thomas Henry Huxley	35th President of the Royal Society 1885–1890	Succeeded by William Thomson
Academic offices
Preceded by Charles Edward Searle	Master of Pembroke College, Cambridge 1902–1903	Succeeded by Arthur James Mason