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William James Sidis

William James Sidis is a mathematics topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand William James Sidis rather than just read about it. In short: William James Sidis (; April 1, 1898 – July 17, 1944) was an American child prodigy with mathematical and linguistic skills. He was active as a mathematician, linguist, historian, and author.

William James Sidis — main illustration
William James Sidis — illustration

Key takeaways

  • William James Sidis belongs to mathematics; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect William James Sidis to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of William James Sidis from memory before moving on to harder problems.

Reference excerpt

William James Sidis (; April 1, 1898 – July 17, 1944) was an American child prodigy with mathematical and linguistic skills. He was active as a mathematician, linguist, historian, and author. He wrote the book The Animate and the Inanimate, published in 1925, in which he speculated about the origin of life in the context of thermodynamics. His works were published under various pseudonyms, as he never used his real name as an author. His father, the psychologist Boris Sidis, raised his son according to certain principles with the desire for his son to be gifted. Sidis became famous first for his precocity and later for his eccentricity and withdrawal from public life. Eventually, he avoided mathematics altogether, writing on other subjects under a number of pseudonyms. He entered Harvard University at age 11 and, as an adult, was claimed by family members to have an IQ between 250 and 300, and to be conversant in about 25 languages and dialects. These statements have not been verified, but many of his contemporaries, including Norbert Wiener and Daniel Frost Comstock, agreed that he was extremely intelligent. He retreated from public life after being arrested and tried for his presence at a socialist parade and died young from a brain hemorrhage.

Biography

Parents and upbringing (1898–1908) Sidis was born to Jewish emigrants from the Russian Empire (now Ukraine), on April 1, 1898, in Boston, Massachusetts. His father, Boris Sidis, had emigrated in 1887 to escape political and antisemitic persecution. His mother, Sarah (Mandelbaum) Sidis, and her family had fled the pogroms in the late 1880s. She attended Boston University and graduated from its School of Medicine in 1897. William was named after his godfather, Boris's friend and colleague, the American philosopher William James. Boris was a psychiatrist and published many books and articles, performing pioneering work in abnormal psychology. Boris was also a polyglot. Sidis' parents believed in nurturing a precocious and fearless love of knowledge, although their methods of parenting were criticized in the media and retrospectively. Sidis could read the New York Times at 18 months. By age eight, he had reportedly taught himself eight languages (Latin, Greek, French, Russian, German, Hebrew, Turkish, and Armenian) and invented another, which he called "Vendergood".

Harvard University (1909–1914) Although the university had previously refused to let his father enroll him at age 9 because he was still a child, in 1909, at age 11, Sidis set a record by becoming the youngest person to enroll at Harvard University. In early 1910, Sidis' mastery of higher mathematics was such that he lectured the Harvard Mathematical Club on four-dimensional bodies, attracting nationwide attention. Notable child prodigy and cybernetics pioneer Norbert Wiener, who attended Harvard at the time and knew Sidis, wrote in his book Ex-Prodigy: "The talk would have done credit to a first or second-year graduate student of any age...talk represented the triumph of the unaided efforts of a very brilliant child." MIT physics professor Daniel F. Comstock was full of praises: "Karl Friedrich Gauss is the only example in history, of all prodigies, whom Sidis resembles. I predict that young Sidis will be a great astronomical mathematician. He will evolve new theories and invent new ways of calculating astronomical phenomena. I believe he will be a great mathematician, the leader in that science in the future." Sidis began taking a full-time course load in 1910 and earned his Bachelor of Arts degree, cum laude, on June 18, 1914, at age 16, earning a mixture of A, B and C grades. Shortly after graduation, Sidis told reporters: "I want to live the perfect life. The only way to live the perfect life is to live it in seclusion". He granted an interview to a reporter from the Boston Herald. The paper reported Sidis' vows to remain celibate and never to marry, as he said women did not appeal to him. Later he developed a strong affection for Martha Foley, and enrolled at Harvard Graduate School of Arts and Sciences.

Teaching at Rice University and Harvard Law School (1915–1919) After a group of Harvard students physically threatened Sidis, his parents secured him a job at the William Marsh Rice Institute for the Advancement of Letters, Science, and Art (now Rice University) in Houston, Texas, as a mathematics teaching assistant. He arrived at Rice in December 1915 at age 17. He was a graduate fellow working toward his doctorate. Sidis taught three classes: Euclidean geometry, non-Euclidean geometry, and freshman math (he wrote a textbook for the Euclidean geometry course in Greek). After less than a year, frustrated with the department, his teaching requirements, and his treatment by students older than himself, he left his position and returned to New England. When a friend later asked him why he had left, he replied, "I never knew why they gave me the job in the first place—I'm not much of a teacher. I didn't leave: I was asked to go." Sidis abandoned his pursuit of a graduate degree in mathematics and enrolled at Harvard Law School in September 1916, but withdrew in good standing in his final year in March 1919.

Politics and arrest (1919–1921) In 1919, shortly after his withdrawal from law school, Sidis was arrested for participating in a socialist May Day parade in Boston that turned violent. He was sentenced to 18 months in prison under the Sedition Act of 1918 by Roxbury Municipal Court Judge Albert F. Hayden. Sidis' arrest was featured prominently in newspapers, as his early graduation from Harvard had garnered considerable local celebrity status. During the trial, Sidis said he had been a conscientious objector to the World War I draft, was a socialist, and did not believe in a god like the "big boss of the Christians", but rather in something that is in a way apart from a human being. He later developed his own libertarian philosophy based on individual rights and "the American social continuity". His father arranged with the district attorney to keep Sidis out of prison before his appeal came to trial; instead, his parents held him in their sanatorium in New Hampshire for a year. They took him to California, where he spent another year. At the sanatorium, his parents set about "reforming" him and threatened him with transfer to an insane asylum.

… excerpt ends here. Continue reading the full article.

Illustrations

William James Sidis illustration

Worked examples

Example 1 — a first encounter with William James Sidis

Start with the simplest possible case. Write down what William James Sidis claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In mathematics, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to William James Sidis before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about William James Sidis ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of William James Sidis

In research
William James Sidis appears in mathematics research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry
Engineering practice reuses William James Sidis in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom
William James Sidis is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1898 births, 1944 deaths, 20th-century American Jews, so understanding it makes those chapters shorter.
In everyday life
Look for William James Sidis outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study William James Sidis in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what William James Sidis means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain William James Sidis out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is William James Sidis in simple terms?

William James Sidis (; April 1, 1898 – July 17, 1944) was an American child prodigy with mathematical and linguistic skills. He was active as a mathematician, linguist, historian, and author.

Why does William James Sidis matter?

Because it connects several mathematics ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study William James Sidis?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on William James Sidis.

Tags

  • 1898 births
  • 1944 deaths
  • 20th-century American Jews
  • 20th-century American anthropologists
  • 20th-century American historians
  • 20th-century American male writers
  • 20th-century American mathematicians
  • 20th-century American non-fiction writers
  • American anti-war activists
  • American conscientious objectors
  • American inventors
  • American libertarians

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