astronomy

Johann Friedrich Laurer

Johann Friedrich Laurer is a astronomy 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 Friedrich Laurer rather than just read about it. In short: Johann Friedrich Laurer (28 September 1798 in Bindlach – 23 November 1873 in Greifswald) was a German anatomist, pharmacologist and lichenologist. He initially trained as a pharmacist, after which he worked as an assistant under Heinrich Christian Funck at the pharmacy in Gefrees.

Key takeaways

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

Reference excerpt

Johann Friedrich Laurer (28 September 1798 in Bindlach – 23 November 1873 in Greifswald) was a German anatomist, pharmacologist and lichenologist. He initially trained as a pharmacist, after which he worked as an assistant under Heinrich Christian Funck at the pharmacy in Gefrees. He made the acquaintance of David Heinrich Hoppe, who inspired him to learn botany, and by way of an invitation from bryologist Christian Friedrich Hornschuch, he became a student at the University of Greifswald. From 1824 he studied medicine and sciences at Greifswald, where his instructors included anatomist Friedrich Christian Rosenthal. In 1830 he received his doctorate with the dissertation Disquisitiones anatomicae de Amphistomo conico, and shortly afterwards, obtained his habilitation for anatomy. In 1836 he was named an associate professor of anatomy and physiology at Greifswald. In 1849 he became an associate professor of pharmacology, and attained a full professorship in 1863. In 1830 he described a muscular duct found in some trematodes that is now referred to as Laurer's canal. In 1841 Ludwig Reichenbach named the fungal genus Laurera (family Trypetheliaceae) after him. Other mycological genera that bear his name are Laureriella (Hepp, 1867) and Laureromyces (Cif. & Tomas., 1953). In 1827 he published Beiträge zur kryptogamischen Flora der Insel Rügen ("Contribution to the cryptogamic flora of the island of Rügen"). His lichenology herbarium became part of the state herbarium in Berlin.

See also Category:Taxa named by Johann Friedrich Laurer

References

Illustrations

Worked examples

Example 1 — a first encounter with Johann Friedrich Laurer

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

In research: Johann Friedrich Laurer appears in astronomy 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 Friedrich Laurer 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 Friedrich Laurer is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1798 births, 1873 deaths, Academic staff of the University of Greifswald, so understanding it makes those chapters shorter.
In everyday life: Look for Johann Friedrich Laurer 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 Friedrich Laurer in 20 minutes

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

Frequently asked questions

What is Johann Friedrich Laurer in simple terms?

Why does Johann Friedrich Laurer matter?

Because it connects several astronomy 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 Friedrich Laurer?

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 Friedrich Laurer.