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John Arbuthnot

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John Arbuthnot was a Scottish physician, mathematician, and satirist who lived in London during the late 17th and early 18th centuries.

John Arbuthnot
John Arbuthnot

A true polymath, he possessed deep expertise across many different fields of study. He is perhaps most famous for his influence on great writers like Jonathan Swift and Alexander Pope. He also created the character John Bull, who became a lasting symbol for the United Kingdom. Despite his many achievements, Arbuthnot was known for his extreme humility. His friends often complained that he did not seek enough credit for his brilliant work. He was so unconcerned with his own legacy that he allowed his children to play with and even burn his writings.

Arbuthnot made significant contributions to the field of mathematics, specifically regarding probability. In 1692, he published *Of the Laws of Chance*, which was the first work on probability published in English. This book applied mathematical reasoning to common games of chance. Later, in 1710, he published a landmark paper in the *Philosophical Transactions* of the Royal Society. He examined London birth records covering 82 years, from 1629 to 1710. He observed that the number of males born always exceeded the number of females. Arbuthnot calculated that the probability of this happening by pure chance was only 1 in 282.

Acta Eruditorum - III musa arabum pala plinii, 1734 – BEIC 13446956
Acta Eruditorum - III musa arabum pala plinii, 1734 – BEIC 13446956

This was an early example of statistical hypothesis testing. In modern terms, he was performing a significance test to reject a null hypothesis.

His medical career was equally distinguished and connected to the highest levels of British society. After moving to London in 1691, he taught mathematics to support himself. He eventually earned his medical doctorate from the University of St Andrews in 1696. Tradition holds that he successfully treated Prince George of Denmark, the husband of Queen Anne, at Epsom in 1702. This success likely helped him secure an invitation to the royal court. By 1705, he was serving as the physician extraordinary to Queen Anne. He was also elected a Fellow of the Royal Society in 1704. His medical expertise led him to become a physician in ordinary to the Queen, making him a formal member of the royal household.

Arbuthnot was a central figure in the Scriblerus Club, a group of famous wits and writers. The club included figures such as Jonathan Swift, Alexander Pope, John Gay, and Thomas Parnell. They met at Arbuthnot's house in Chelsea. The members used satire to mock pedantry and bad thinking. Arbuthnot was often the primary source of ideas for the group. He provided "hints," which were suggestions for essays, facts, or satirical plots. His influence helped inspire major works, including parts of *Gulliver's Travels* and the *Memoirs of Martinus Scriblerus*. The club's meetings ended in 1714 following the death of Queen Anne.

In 1712, Arbuthnot used political satire to comment on the War of the Spanish Succession. He wrote a series of five pamphlets that introduced the character John Bull.

John Bull - World War I recruiting poster
John Bull - World War I recruiting poster

In these writings, he used simple allegories to explain complex political situations. For example, he depicted England as John Bull and France as Louis Baboon. He used these stories to make the war appear ridiculous and unworthy of pursuit. While the characters were often flawed and comic, Arbuthnot's approach included a sense of humor and sympathy. This character, John Bull, eventually evolved into a personification of the British people.

Arbuthnot's life was also marked by his involvement in scientific and academic disputes. He was a member of the board tasked with publishing the *Historia coelestius*. This project involved a conflict between Isaac Newton and John Flamsteed. Newton and Edmund Halley wanted the data published immediately to support their work on orbits. However, Flamsteed, the Royal Astronomer, wanted to keep his observations secret until they were perfected. Arbuthnot used his influence as a friend to the royal family to ensure the publication proceeded in 1712. He also engaged in a pamphlet war regarding the treatment of smallpox, attacking those who held irrational medical opinions.

Throughout his life, Arbuthnot balanced his roles as a scientist, a doctor, and a social commentator. He was a Tory who served the crown through his writing and his medical service. Even after the death of Queen Anne and the rise of the Hanoverian kings, he maintained a vigorous medical practice. His ability to connect mathematics, medicine, and literature allowed him to impact many different areas of human knowledge. He remains a significant figure for his early use of statistics and his lasting influence on English satire and national symbolism.

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File:John Bull - World War I recruiting poster.jpeg
John Bull - World War I recruiting poster.jpeg
File:Acta Eruditorum - III musa arabum pala plinii, 1734 – BEIC 13446956.jpg
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