physics

Louis Lee

Louis Lee is a physics 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 Louis Lee rather than just read about it. In short: Lee Lou-chuang (Chinese: 李羅權; born 20 April 1947), also known by his English name Louis Lee, is a Taiwanese astrophysicist, mathematician, and astronomer. Early life and education Lee was born in Tianwei, Changhua, on April 20, 1947.

Key takeaways

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

Reference excerpt

Lee Lou-chuang (Chinese: 李羅權; born 20 April 1947), also known by his English name Louis Lee, is a Taiwanese astrophysicist, mathematician, and astronomer.

Early life and education Lee was born in Tianwei, Changhua, on April 20, 1947. After high school, he graduated from National Taiwan University with a Bachelor of Science (B.S.) in physics in 1969, then completed graduate studies in the United States at the California Institute of Technology, where he earned his Master of Science (M.S.) in 1972 in physics and his Ph.D. in physics, mathematics, and astronomy in 1975. His doctoral dissertation was titled, "A Theory of Strong and Weak Scintillations with Applications to Astrophysics," and was completed under professors J. Randolph Jokipii, Jon Mathews, and Gerald B. Whitham on a fellowship awarded by IBM and a grant by the National Science Foundation.

Academic career After receiving his doctorate, Lee worked at the Goddard Space Flight Center and taught at the University of Maryland before joining the University of Alaska faculty. Lee returned to Taiwan and began teaching at National Cheng Kung University in 1995. He has served as the director of the National Applied Research Laboratories and the National Space Program Office (NSPO). As leader of the NSPO, Lee presided over the launch of the satellite ROCSAT-2 and the development of ROCSAT-3. Lee also helped conduct research on thunderclouds and the ionosphere. Lee later became president of National Central University and was named minister of the National Science Council in April 2008. Lee was replaced by Cyrus Chu in February 2011.

Honors Lee was elected a member of Academia Sinica in 2002, and a foreign member of the United States National Academy of Engineering in 2018.

References

Illustrations

Worked examples

Example 1 — a first encounter with Louis Lee

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

In research: Louis Lee appears in physics 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 Louis Lee 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: Louis Lee is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1947 births, 20th-century Taiwanese physicists, 21st-century Taiwanese physicists, so understanding it makes those chapters shorter.
In everyday life: Look for Louis Lee 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 Louis Lee in 20 minutes

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

Frequently asked questions

What is Louis Lee in simple terms?

Lee Lou-chuang (Chinese: 李羅權; born 20 April 1947), also known by his English name Louis Lee, is a Taiwanese astrophysicist, mathematician, and astronomer. Early life and education Lee was born in Tianwei, Changhua, on April 20, 1947.

Why does Louis Lee matter?

Because it connects several physics 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 Louis Lee?

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 Louis Lee.