31 Somerville Square, Burntisland KY3 9DN, UK
12 Hanover Square, Mayfair, London W1S 1JJ
University of Oxford, Oxford, Oxfordshire OX1 3PA, UK
English Cemetery Naples, Città Metropolitana di Napoli, Campania, Italy
Mary Somerville (née Fairfax, formerly Greig; 26 December 1780 – 29 November 1872) was the first woman Royal Astronomical Soc. member in 1835 and the first woman Royal Geographical Society Patron’s Medal in 1869.
She was a Scottish science writer and polymath. She studied mathematics and astronomy, and was nominated to be jointly the first female member of the Royal Astronomical Society at the same time as Caroline Herschel.
Frances Power Cobbe wrote in her autobiography of how the married Mary Somerville, a good friend but never a lover, “kissed me tenderly [and] gave me her photograph”; Cobbe in turn felt “such tender affection” for Somerville “that sitting beside her on the sofa . . . I could hardly keep myself from caressing her.” Frances Power Cobbe called Mary Lloyd her "life-friend" or "my beloved friend" in letters written in 1865 to Somerville, letters that are now in the Mary Somerville Papers in the Bodleian Library, Oxford.
When John Stuart Mill, the philosopher and economist, organised a massive petition to Parliament to give women the right to vote, he had Somerville put her signature first on the petition.
When she died in 1872, The Morning Post declared in her obituary that "Whatever difficulty we might experience in the middle of the nineteenth century in choosing a king of science, there could be no question whatever as to the queen of science".
She is featured on the obverse of the Royal Bank of Scotland polymer £10 note launched in 2017, alongside a quote from her work The Connection of the Physical Sciences.
Somerville was the daughter of Vice-Admiral Sir William George Fairfax, scion of a distinguished family of Fairfaxes, and she was related to several prominent Scottish houses through her mother, the admiral's second wife, Margaret Charters, daughter of Samuel Charters, a solicitor.
She was born at the manse of Jedburgh, in the Borders, which was the house of her maternal aunt, wife of Dr. Thomas Somerville (1741–1830) (author of My Own Life and Times). Her childhood home was at Burntisland, Fife. She was the second of four surviving children (three of her siblings had died in infancy). She was particularly close to her oldest brother Sam. The family lived in genteel poverty because her father's naval pay remained meagre as he rose through the ranks. Her mother supplemented the household's income by growing vegetables, maintaining an orchard and keeping cows for milk. Her mother taught her to read the Bible and Calvinist catechisms, and when not occupied with household chores Mary roamed among the birds and flowers in the garden. In her autobiography Somerville recollects that after returning from sea her father said to her mother "This kind of life will never do, Mary must at least know how to write and keep accounts". Thus the 10-year-old was sent for a year of tuition at Musselburgh, an expensive boarding school. Somerville learned the first principles of writing, rudimentary French and English grammar. Upon returning home, she:
...was no longer amused in the gardens, but wandered about the country. When the tide was out I spent hours on the sands, looking at the star-fish and sea-urchins, or watching the children digging for sand-eels, cockles, and the spouting razor-fish. I made collections of shells, such as were cast ashore, some so small that they appeared like white specks in patches of black sand. There was a small pier on the sands for shipping limestone brought from the coal mines inland. I was astonished to see the surface of these blocks of stone covered with beautiful impressions of what seemed to be leaves; how they got there I could not imagine, but I picked up the broken bits, and even large pieces, and brought them to my repository.
Her shell collection was given to Somerville College, Oxford by her descendants.
During bad weather she occupied herself with reading the books in her father's library, including Shakespeare, and fulfilling her "domestic duties". In later life she recollected "These occupied a great part of my time; besides, I had to shew my sampler, working the alphabet from A to Z, as well as the ten numbers, on canvas". Her aunt Janet came to live with the family and reportedly said to her mother "I wonder you let Mary waste her time in reading, she never shews more than if she were a man". As a consequence Mary was sent to the village school to learn plain needlework. The youngster "was annoyed that my turn for reading was so much disapproved of, and thought it unjust that women should have been given a desire for knowledge if it were wrong to acquire it." The village school master came to the house on several evenings in the week to teach Mary. He taught her how to use the two small globes in the house. In her Personal Recollections Mary notes that in the village school the boys learned Latin, "but it was thought sufficient for the girls to be able to read the Bible; very few even learnt writing."
When Mary was 13 her mother sent her to writing school in Edinburgh during the winter months, where she improved her writing skills and studied the common rules of arithmetic. Back in Burntisland she taught herself sufficient Latin to read the books in the home library. While visiting her aunt in Jedburgh she met her uncle Dr Thomas Somerville and picked up the courage to tell him that she had been trying to learn Latin. Dr Somerville assured her that in ancient times many women had been very elegant scholars, and proceeded to teach her Latin by reading Virgil with her. While visiting another uncle, William Charters, in Edinburgh, Mary was sent to Strange's dancing school, where she learned manners and how to curtsey. She also accompanied her uncle and aunt on their visits to the Lyell family in Kinnordy; Charles Lyell would go on to become a celebrated geologist and a friend of Mary.
With regards to the political upheaval of the time and the French Revolution she later wrote that her father was a Tory and that the "unjust and exaggerated abuse of the Liberal party made me a Liberal. From my earliest years my mind revolved against oppression and tyranny, and I resented the injustice of the world in denying all those privileges of education to my sex which were so lavishly bestowed on men." Mary and her oldest brother Sam would refuse to take sugar in their tea, in protest against the institution of slavery. Somerville asserted that her liberal religious and political opinions remained unchanged throughout her life, but that she was never a republican.
While accompanying her uncle and aunt to Burntisland in the summer she had access to elementary books on algebra and geometry. She spent the summer learning to play the piano and learning Greek so that she could read Xenophon and Herodotus. Back in Edinburgh she was allowed to attend the academy Alexander Nasmyth had opened for ladies. Nasmyth advised another student to study Euclid's Elements to gain a foundation in perspective, astronomy and mechanical science. Somerville spotted the opportunity, as she thought the book would help her understand Navigations by John Robertson.
She continued in the traditional role of the daughter of a well-connected family, attending social events and maintaining a sweet and polite manner – she was nicknamed "the Rose of Jedburgh" among Edinburgh socialites. Back in Burntisland a young tutor came to stay with the family to educate her younger brother Henry. Mr Craw was a Greek and Latin scholar, and Somerville asked him to purchase elementary books on algebra and geometry for her. He presented Somerville with Euclid's Elements and Algebra by John Bonnycastle. Somerville would rise early to play the piano, painted during the day, and stayed up late to study Euclid and algebra. When the family friend Lord Balmuto invited her to visit his family, Somerville first saw a laboratory. She also spent some time with the Oswalds family in Dunnikeir. Somerville was impressed with their daughter Elizabeth Oswald, a bold horsewoman who became a Greek and Latin scholar.
The winters were usually spent in Edinburgh and under the care of Lady Burchan she made her first appearance at a ball, her first dancing partner being the Earl of Minto. In the following autumn of 1797 her father was caught up in a mutiny while serving as flag-captain under Admiral Duncan on HMS Venerable, but the Battle of Camperdown against the Dutch fleet was won. Her father was knighted and made Colonel of Marines. Her eldest brother died at the age of twenty-one in Calcutta while serving in the East India Company's military service. The family had hoped that he would make a sufficient fortune in a few years to enable him to come home again.
In 1804 she met her first husband, her distant cousin Lieutenant Samuel Greig, son of Admiral Samuel Greig, when he came to pay a visit. He was commissioner of the Russian navy and Russian consul for Britain. They married and had two children, one of whom, Woronzow Greig, would become a barrister and scientist. They lived in London, but it was not a happy time for Somerville. Although she could study, her husband did not think much of women's capacity to pursue academic interests. Indeed, Greig "possessed in full the prejudice against learned women which was common at that time." Somerville took lessons in French. When her husband died in 1807, while she was still nursing their youngest child, she returned home to Scotland.
Back in Scotland she resumed her mathematical studies. By that time she had studied plane and spherical trigonometry, conic sections and James Ferguson's Astronomy. Now she first read Isaac Newton's Principia, which she continued to study. Her inheritance from Greig gave her the freedom to pursue intellectual interests. John Playfair, professor of natural philosophy at University of Edinburgh, encouraged her studies, and through him she began a correspondence with William Wallace, with whom she discussed mathematical problems. She started to solve mathematical problems posed in the mathematical journal of the Military College at Marlow and she eventually made a name for herself when solving a diophantine problem for which she was awarded a silver medal in 1811. Somerville had five solutions published in Volumes 3 and 4 of the Mathematical Repository under the pseudonym 'A Lady'; two of these solutions demonstrated her early adoption of differential calculus, and therefore her contribution to the circulation and visibility of this mathematics in early-nineteenth-century Britain.
Wallace suggested that she should study the writings of the French mathematician Pierre-Simon Laplace, which summarised the theory of gravity and collected the mathematical results that had been established in the 50 years since Principia had been published. She said that studying Laplace's work gave her the confidence to persevere in her mathematical studies. Somerville extended her studies into astronomy, chemistry, geography, microscopy, electricity and magnetism. At the age of 33 she purchased for herself a library of scientific books, including: Louis-Benjamin Francœur's Elements of Mechanics, Sylvestre François Lacroix' Algebra and Calculus Treatise, Jean-Baptiste Biot's Analytical Geometry and Astronomy, Siméon Denis Poisson's Treatise on Mechanics, Joseph-Louis Lagrange's Theory of Analytical Functions, Leonhard Euler's Elements of Algebra and Isoperimetrical Problems, Alexis Clairaut's Figure of the Earth, Gaspard Monge's Application of Analysis to Geometry, and François Callet's Logarithmus.
In her Personal Recollections Somerville expressed the opinion that at the time mathematical science was at a low ebb in Britain, because reverence for Newton had prevented local scientists from adopting the calculus, while outside of Britain astronomical and mechanical science had reached a high degree of perfection. In her opinion this deadlock was only broken when in 1816 Charles Babbage, John Herschel and George Peacock published a translation from French of the lectures of Lacroix, which was then the state-of-the-art calculus textbook.
While staying with her family in Scotland, Somerville became acquainted with several leading intellectual lights, such as Henry Brougham. In 1812 she married another cousin, Dr William Somerville (1771–1860), inspector of the Army Medical Board, who encouraged and greatly aided her in the study of the physical sciences. Her husband was elected to the Royal Society and together they moved in the leading social circles of the day. As well as scientists, she was well known to leading writers and artists, for example J.M.W. Turner. Her husband's family were neighbours of the writer Walter Scott. She wrote "I shall never forget the charm of this little society, especially the supper-parties at Abbotsford, when Scott was in the highest glee, telling amusing tales, ancient legends, ghost and witch stories." In her second marriage Somerville had four children.
In 1819 her husband was appointed physician to Chelsea Hospital and the family moved to Hanover Square into a government house in Chelsea. Somerville was a friend of Anne Isabella Milbanke, Baroness Wentworth, and was mathematics tutor to her daughter, Ada Lovelace. With Somerville, Ada attended the scientific gatherings where she met Charles Babbage. Somerville College owns a letter from Babbage to Somerville inviting her to view his 'Calculating Engine'. Somerville visited Babbage frequently while he was "making his Calculating-machines". Somerville and Lovelace maintained a close friendship and when Lovelace encountered difficulties with a mathematical calculation she would walk to Somerville's house and discuss the matter over a cup of tea.
In 1823 the Somervilles' youngest daughter died after illness. While living in Chelsea the Somervilles travelled across Europe on a number of occasions, leaving their children with their German governess. Among their travel companions was the jurist and politician Sir James Mackintosh. Before leaving London the Somervilles made contact with people they wanted to meet, and on their European tours they paid visits to numerous celebrated intellectuals. The Somervilles also received frequent visitors; Maria Edgeworth would visit them when in England.
Somerville conducted experiments to explore the relationship between light and magnetism and she published her first paper, "The magnetic properties of the violet rays of the solar spectrum", in the Proceedings of the Royal Society in 1826. Sir David Brewster, inventor of the kaleidoscope, wrote in 1829 that Mary Somerville was "certainly the most extraordinary woman in Europe - a mathematician of the very first rank with all the gentleness of a woman".
Somerville was requested by Lord Brougham to translate for the Society for the Diffusion of Useful Knowledge the Mécanique Céleste of Pierre-Simon Laplace. Laplace had, in five exhaustive volumes, summed up the current state of gravitational mathematics and Mécanique Céleste was acclaimed as the greatest intellectual achievement since the Principia. Somerville produced not a translation, but an expanded version of the first two volumes. She wrote a standalone exposition of the mathematics behind the workings of the solar system, of which she said "I translated Laplace's work from algebra into common language". It was published in 1831, under the title of The Mechanism of the Heavens. It made her at once famous. Mechanism was set as a textbook for undergraduates at University of Cambridge until the 1880s.
After receiving a copy of Mechanism Joanna Baillie wrote to Somerville, "I feel myself greatly honoured by receiving such a mark of regard from one who has done more to remove the light estimation in which the capacity of women is too often held than all that has been accomplished by the whole Sisterhood of Poetical Damsels & novel-writing Authors." The book was praised by George Peacock, Professor of the University of Cambridge, thus many of the 750 copies printed were bought in Cambridge. Reviews were favourable and Somerville received letters of congratulation from "many men of science". She was elected honorary member of the Royal Irish Academy, of the Bristol Philosophical Institution and the Société de Physique et d'Histoire Naturelle de Genève in 1834. The British Crown granted her a civil pension of £200 a year in recognition of her eminence in science and literature.
Her book Physical Geography was published in 1848 and was the first English textbook on the subject. It remained in use as textbook until the early 20th century. At the time of publication it was financially very successful and brought her the Victoria Gold Medal of the Royal Geographical Society. Somerville followed, as she said, "the noble example of Baron Humboldt, the patriarch of physical geography", and she took an extended view of geography that included the earth, its animal, "vegetable inhabitants", as well as "the past and present condition of man, the origin, manners, and languages of existing nations, and the monuments of those that have been".
She was elected to the American Geographical and Statistical Society in 1857 and the Italian Geographical Society in 1870, and was made a member of the American Philosophical Society.
From 1833 onwards Somerville and her husband spent most of their time in Italy. Somerville maintained correspondence with a large number of leading scientists and remained engaged in current debates on facts and theories.
In 1868, four years before her death at age 91, she was the first person to sign John Stuart Mill's unsuccessful petition for female suffrage. In her autobiography Somerville wrote that "British laws are adverse to women". She detailed the obstacles she had faced in obtaining an education as a young girl, though she did not speculate on the nature of the problem. During her lifetime the agitation for establishing women's access to higher education had grown. In 1875 the astronomer Maria Mitchell was told by a college president that he "would hire a woman scientist if she was as good as Mary Somerville".
Somerville died at Naples on 29 November 1872, and was buried there in the English Cemetery. In the following year her autobiographical Personal Recollections was published, consisting of reminiscences written during her old age. Over 10,000 pieces are in the Somerville Collection of the Bodleian Library and Somerville College, Oxford. The collection includes papers relating to her writing and published work, and correspondence with family members, numerous scientists and writers, and other figures in public life. Also included is substantial correspondence with the Byron and Lovelace families.
From her first marriage she had a son Woronzow Greig (1805-1865) named after Count Semen Woronzow (pronounced Vorontsov) the Russian ambassador in London who had appointed Samuel Grieg as his Consul General. Woronzow married Agnes Graham but all their children died in childbirth or infancy.
From her second marriage she had three daughters and one son: Margaret Farquhar Somerville (1813–1823; died in her childhood), Thomas Somerville (1814–1815; died in infancy), Martha Charters Somerville (1815–1879) and Mary Charlotte Somerville (1817-1875). Her two surviving daughters spent most of their lives caring for Mary.
In Vanity Fair, William Makepeace Thackeray mentions Mary Somerville in reference to the new friends Amelia Osborne makes late in the novel:
My published books:
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