astronomy

Horton H. Hobbs Jr.

Horton H. Hobbs Jr. 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 Horton H. Hobbs Jr. rather than just read about it. In short: Horton Holcombe Hobbs Jr. (March 29, 1914 – March 22, 1994) was an American taxonomist and carcinologist, specialising in freshwater decapods.

Key takeaways

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

Reference excerpt

Horton Holcombe Hobbs Jr. (March 29, 1914 – March 22, 1994) was an American taxonomist and carcinologist, specialising in freshwater decapods. He was also a capable artist, musician, cook and botanist. Hobbs was born in Alachua County, Florida, on March 29, 1914. He received his Ph.D. from the University of Florida, where he taught until 1946, when he moved to the University of Virginia, becoming director of the Mountain Lake Biological Station for four years. In 1957, he moved to the United States National Museum to be the Head Curator of the Department of Zoology, and two years later was made Senior Scientist in the Department of Invertebrate Zoology, National Museum of Natural History, a position he held until his retirement in 1984. Hobbs described a total of 286 species (including 168 crayfish species and 104 entocytherid ostracods), 38 genera and subgenera (29 for crayfish, 8 entocytherids and Neopalaemon, a shrimp), and one new family, Cambaridae. His work massively increased the knowledge of crayfish biology, and he authored or co-authored over 40% of the recognized species of North American crayfish. Horton has thus been referred to as "Old Man Crawfish" amongst his colleagues for his decades of research. Hobbs died on March 22, 1994, of heart disease.

References

External links Oral history interview with Horton H. Hobbs, Jr. 1976 from the Smithsonian Institution Archives

Worked examples

Example 1 — a first encounter with Horton H. Hobbs Jr.

Start with the simplest possible case. Write down what Horton H. Hobbs Jr. 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 Horton H. Hobbs Jr. 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 Horton H. Hobbs Jr. 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 Horton H. Hobbs Jr.

In research: Horton H. Hobbs Jr. 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 Horton H. Hobbs Jr. 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: Horton H. Hobbs Jr. is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1914 births, 1994 deaths, 20th-century American botanists, so understanding it makes those chapters shorter.
In everyday life: Look for Horton H. Hobbs Jr. 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 Horton H. Hobbs Jr. in 20 minutes

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

Frequently asked questions

What is Horton H. Hobbs Jr. in simple terms?

Horton Holcombe Hobbs Jr. (March 29, 1914 – March 22, 1994) was an American taxonomist and carcinologist, specialising in freshwater decapods.

Why does Horton H. Hobbs Jr. 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 Horton H. Hobbs Jr.?

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 Horton H. Hobbs Jr..