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chemistry

Sherlock Holmes

Sherlock Holmes is a chemistry 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 Sherlock Holmes rather than just read about it. In short: Sherlock Holmes () is a fictional detective created by British author Arthur Conan Doyle. Referring to himself as a "consulting detective" in his stories, Holmes is known for his proficiency with observation, deduction, forensic science and logical reasoning that borders on the fantastic, which he employs when investigating cases for a wide variety of clients, including Scotland Yard.

Sherlock Holmes — main illustration
Sherlock Holmes — illustration

Key takeaways

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

Reference excerpt

Sherlock Holmes () is a fictional detective created by British author Arthur Conan Doyle. Referring to himself as a "consulting detective" in his stories, Holmes is known for his proficiency with observation, deduction, forensic science and logical reasoning that borders on the fantastic, which he employs when investigating cases for a wide variety of clients, including Scotland Yard. The character Sherlock Holmes first appeared in print in 1887's A Study in Scarlet. His popularity became widespread with the first series of short stories in The Strand Magazine, beginning with "A Scandal in Bohemia" in 1891; additional tales appeared from then until 1927, eventually totalling four novels and 56 short stories. All but one are set in the Victorian or Edwardian eras between 1880 and 1914. Most are narrated by the character of Holmes's friend and biographer, Dr. John H. Watson, who usually accompanies Holmes during his investigations and often shares quarters with him at the address of 221B Baker Street, London, where many of the stories begin. Though not the first fictional detective, Sherlock Holmes is arguably the best known. By the 1990s, over 25,000 stage adaptations, films, television productions, and publications had featured the detective, and Guinness World Records lists him as the most portrayed human literary character in film and television history. Holmes's popularity and fame are such that many have believed him to be not a fictional character but an actual person; many literary and fan societies have been founded on this pretence. Avid readers of the Holmes stories helped create the modern practice of fandom, with the Sherlock Holmes fandom being one of the first cohesive fan communities in the world. The character and stories have had a profound and lasting effect on mystery writing and popular culture as a whole, with the original tales, as well as thousands written by authors other than Conan Doyle, being adapted into stage and radio plays, television, films, video games, and other media for over one hundred years.

Inspiration for the character

Edgar Allan Poe's C. Auguste Dupin is generally acknowledged as the forerunner of the modern detective story in English fiction and served as the prototype for many later characters, including Holmes. Conan Doyle once wrote, "Each [of Poe's detective stories] is a root from which a whole literature has developed ... Where was the detective story until Poe breathed the breath of life into it?" Similarly, the stories of Émile Gaboriau's Monsieur Lecoq were extremely popular at the time Conan Doyle began writing Holmes, and Holmes's speech and behaviour sometimes follow those of Lecoq. Doyle has his main characters discuss these literary antecedents near the beginning of A Study in Scarlet, which is set soon after Watson is first introduced to Holmes. Watson attempts to compliment Holmes by comparing him to Dupin, to which Holmes replies that he found Dupin to be "a very inferior fellow" and Lecoq to be "a miserable bungler". Conan Doyle repeatedly said that Holmes was inspired by the real-life figure of Joseph Bell, a surgeon at the Royal Infirmary of Edinburgh, whom Conan Doyle met in 1877 and had worked for as a clerk. Like Holmes, Bell was noted for drawing broad conclusions from minute observations. Bell wrote an introduction for a later edition of A Study in Scarlet. Bell also dismissed the idea that he was the character's inspiration, writing to Doyle, "You are yourself Sherlock Holmes and well you know it". Sir Henry Littlejohn, Chair of Medical Jurisprudence at the University of Edinburgh Medical School, is also cited as an inspiration for Holmes. Littlejohn, who was also Police Surgeon and Medical Officer of Health in Edinburgh, provided Conan Doyle with a link between medical investigation and the detection of crime. Other possible inspirations have been proposed, though never acknowledged by Doyle, such as Maximilien Heller, by French author Henry Cauvain. In this 1871 novel (sixteen years before the first appearance of Sherlock Holmes), Henry Cauvain imagined a depressed, anti-social, opium-smoking polymath detective, operating in Paris. It is not known if Conan Doyle read the novel, but he was fluent in French.

Biography

Family and early life

Details of Sherlock Holmes' life in Conan Doyle's stories are scarce and often vague. Nevertheless, mentions of his early life and extended family paint a loose biographical picture of the detective. A statement of Holmes' age in "His Last Bow" places his year of birth at 1853–1854; the story, set in August 1914, describes him as sixty years of age. His parents are not mentioned, although Holmes mentions that his "ancestors" were "country squires". In "The Adventure of the Greek Interpreter", he claims that his grandmother was sister to the French artist Vernet, without clarifying whether this was Claude Joseph, Carle, or Horace Vernet. Holmes' brother Mycroft, seven years his senior, is a government official. Mycroft has a unique civil service position as a kind of human database for all aspects of government policy. Sherlock describes his brother as the more intelligent of the two, but notes that Mycroft lacks any interest in physical investigation, preferring to spend his time at the Diogenes Club. Holmes says that he first developed his methods of deduction as an undergraduate; his earliest cases, which he pursued as an amateur, came from his fellow university students. A meeting with a classmate's father led him to adopt detection as a profession.

Life with Watson

In the first tale of Sherlock Holmes, A Study in Scarlet, financial difficulties lead Holmes and Dr. Watson to share rooms together at 221B Baker Street, London. Their residence is maintained by their landlady, Mrs. Hudson. Holmes works as a detective for twenty-three years, with Watson assisting him for seventeen of those years. Most of the stories are frame narratives written from Watson's point of view, as summaries of the detective's most interesting cases. Holmes frequently calls Watson's records of Holmes's cases sensational and populist, suggesting that they fail to accurately and objectively report the "science" of his craft:

… excerpt ends here. Continue reading the full article.

Illustrations

Sherlock Holmes illustration
Sherlock Holmes: Sir Arthur Conan Doyle (1859–1930), Sherlock Holmes's creator, in 1914
Sir Arthur Conan Doyle (1859–1930), Sherlock Holmes's creator, in 1914
Sherlock Holmes: The cover page of the 1887 edition of Beeton's Christmas Annual, which contains Holmes's first appearance (A Study in Scarlet)
The cover page of the 1887 edition of Beeton's Christmas Annual, which contains Holmes's first appearance (A Study in Scarlet)
Sherlock Holmes: Holmes (right) and Watson in a Sidney Paget illustration for "The Adventure of Silver Blaze"
Holmes (right) and Watson in a Sidney Paget illustration for "The Adventure of Silver Blaze"
Sherlock Holmes: Holmes and archenemy Moriarty struggle at the Reichenbach Falls; drawing by Sidney Paget
Holmes and archenemy Moriarty struggle at the Reichenbach Falls; drawing by Sidney Paget

Worked examples

Example 1 — a first encounter with Sherlock Holmes

Start with the simplest possible case. Write down what Sherlock Holmes claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In chemistry, 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 Sherlock Holmes 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 Sherlock Holmes 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 Sherlock Holmes

In research
Sherlock Holmes appears in chemistry 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 Sherlock Holmes 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
Sherlock Holmes is common in secondary-school and first-year university syllabi. It links to neighbouring topics Crime film characters, Culture of the United Kingdom, Edwardian era, so understanding it makes those chapters shorter.
In everyday life
Look for Sherlock Holmes 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 Sherlock Holmes in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what Sherlock Holmes 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 Sherlock Holmes out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Sherlock Holmes in simple terms?

Sherlock Holmes () is a fictional detective created by British author Arthur Conan Doyle. Referring to himself as a "consulting detective" in his stories, Holmes is known for his proficiency with observation, deduction, forensic science and logical reasoning that borders on the fantastic, which he…

Why does Sherlock Holmes matter?

Because it connects several chemistry 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 Sherlock Holmes?

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 Sherlock Holmes.

Tags

  • Crime film characters
  • Culture of the United Kingdom
  • Edwardian era
  • English male characters in television
  • Fictional British detectives
  • Fictional English people
  • Fictional beekeepers
  • Fictional characters from the 19th century
  • Fictional characters with eidetic memory
  • Fictional chemists
  • Fictional cocaine users
  • Fictional criminologists

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