biology

Johann Daniel Wilhelm Hartmann

Johann Daniel Wilhelm Hartmann is a biology 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 Johann Daniel Wilhelm Hartmann rather than just read about it. In short: Johann Daniel Wilhelm Hartmann (12 January 1793 – 18 April 1862) was a Swiss painter, engraver and malacologist. Biography He was born in St.

Key takeaways

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

Reference excerpt

Johann Daniel Wilhelm Hartmann (12 January 1793 – 18 April 1862) was a Swiss painter, engraver and malacologist.

Biography He was born in St. Gallen, the son of Georg Leonhard Hartmann (1764-1828), who was also a painter. After training in fine arts with his father in Zurich, Munich and Bern, he worked in St. Gallen from 1826 as a naturalist and miniature painter, heraldist and genealogist. Taxa described by Hartmann include Discus ruderatus, Ampullaceana ampla, Trochulus clandestinus, Bythiospeum acicula, Papillifera and others.

Works Hartmann, J. D. W. 1821. System der Erd- und Süsswasser-Gasteropoden Europa's: in besonderer Hinsicht auf diejenigen Gattungen, welche in Deutschland und der Schweitz angetroffen werden. Nürnberg, Jacob Sturm, 1821 Hartmann, J. D. W. 1844. Erd- und Süsswasser-Gasteropoden der Schweiz. Mit Zugabe einiger merkwürdigen exotischen Arten. I. Band. - pp. i-xx [= 1-20], 1–227, Tab. I-XII [= 1-12], I-XII [sic, = 13-24], 25–84. St. Gallen. (Scheitlin & Zollikofer).Archive

References

Sources Mayer, Marcel (2006). "Hartmann, Johann Daniel Wilhelm". Historisches Lexikon der Schweiz (HLS) [Historical Dictionary of Switzerland]. B. B. Woodward, 1906: On the dates of publication of J. D. Wilhelm Hartmann's "Erd- und Süsswasser-Gastropoden", St. Gallen, 1840. Proceedings of the Malacological Society of London 7, 1906 D. Heppell,1966: The dates of publication of J. D. W. Hartmann's "Erd- und Süsswasser-Gasteropoden". Journal of Conchology 26, 1966 84–88

Illustrations

Worked examples

Example 1 — a first encounter with Johann Daniel Wilhelm Hartmann

Start with the simplest possible case. Write down what Johann Daniel Wilhelm Hartmann claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In biology, 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 Johann Daniel Wilhelm Hartmann 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 Johann Daniel Wilhelm Hartmann 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 Johann Daniel Wilhelm Hartmann

In research: Johann Daniel Wilhelm Hartmann appears in biology 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 Johann Daniel Wilhelm Hartmann 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: Johann Daniel Wilhelm Hartmann is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1793 births, 1862 deaths, 19th-century Swiss engravers, so understanding it makes those chapters shorter.
In everyday life: Look for Johann Daniel Wilhelm Hartmann 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 Johann Daniel Wilhelm Hartmann in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Johann Daniel Wilhelm Hartmann means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Johann Daniel Wilhelm Hartmann out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Johann Daniel Wilhelm Hartmann in simple terms?

Johann Daniel Wilhelm Hartmann (12 January 1793 – 18 April 1862) was a Swiss painter, engraver and malacologist. Biography He was born in St.

Why does Johann Daniel Wilhelm Hartmann matter?

Because it connects several biology 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 Johann Daniel Wilhelm Hartmann?

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 Johann Daniel Wilhelm Hartmann.