astronomy

James Wiegold

James Wiegold 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 James Wiegold rather than just read about it. In short: James Wiegold (15 April 1934 – 4 August 2009) was a Welsh mathematician. Born in Trecenydd, Caerphilly, he earned a Ph.D. at the University of Manchester, England in 1958, studying under Bernhard Neumann, and is most notable for his contributions to group theory.

Key takeaways

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

Reference excerpt

James Wiegold (15 April 1934 – 4 August 2009) was a Welsh mathematician. Born in Trecenydd, Caerphilly, he earned a Ph.D. at the University of Manchester, England in 1958, studying under Bernhard Neumann, and is most notable for his contributions to group theory. Wiegold died from leukaemia on 4 August 2009, in Penarth, Vale of Glamorgan.

Career Assistant Lecturer, University College of North Staffordshire (now Keele University), 1957–1960 Lecturer, University of Manchester, 1960–1963 Lecturer, University College of South Wales and Monmouthshire (now Cardiff University), 1963–1966 Senior Lecturer, University College of South Wales and Monmouthshire (now Cardiff University), 1966–1969 Visiting Senior Lecturer and Visiting Reader, Australian National University, 1968–1970 Reader, University College of South Wales and Monmouthshire (now Cardiff University), 1969–1974 Professor, University College, Cardiff (now Cardiff University), 1974–his death Dean of Science, University College, Cardiff (now Cardiff University), 1982–1985

References

External links O'Connor, John J.; Robertson, Edmund F., "James Wiegold", MacTutor History of Mathematics Archive, University of St Andrews James Wiegold at the Mathematics Genealogy Project

Illustrations

Worked examples

Example 1 — a first encounter with James Wiegold

Start with the simplest possible case. Write down what James Wiegold 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 James Wiegold 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 James Wiegold 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 James Wiegold

In research: James Wiegold 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 James Wiegold 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: James Wiegold is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1934 births, 2009 deaths, 20th-century Welsh mathematicians, so understanding it makes those chapters shorter.
In everyday life: Look for James Wiegold 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 James Wiegold in 20 minutes

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

Frequently asked questions

What is James Wiegold in simple terms?

Why does James Wiegold 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 James Wiegold?

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 James Wiegold.