astronomy

Gabrielle Donnay

Gabrielle Donnay 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 Gabrielle Donnay rather than just read about it. In short: Gabrielle Donnay, née Hamburger (21 March 1920 – 4 April 1987), was a German-born American crystallographer and historian of science. Life Gabrielle Donnay was born in Landeshut, Germany (now Kamienna Góra, Poland) on 21 March 1920 and emigrated to the United States in 1937.

Key takeaways

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

Reference excerpt

Gabrielle Donnay, née Hamburger (21 March 1920 – 4 April 1987), was a German-born American crystallographer and historian of science.

Life Gabrielle Donnay was born in Landeshut, Germany (now Kamienna Góra, Poland) on 21 March 1920 and emigrated to the United States in 1937. She received her B.A. from UCLA in chemistry in 1941 and was awarded her Ph.D in 1949 from MIT. She was a postdoctoral fellow at Johns Hopkins University in 1949–1950. In 1949, she met and married Joseph (Jose) Donnay, a professor of crystallography and mineralogy at Johns Hopkins University. In 1950, she joined the staff of the Geophysical Laboratory at the Carnegie Institution of Washington, where she worked until 1969. She had a concurrent position at the U.S. Geological Survey from 1952 to 1955. She was a professor in crystallography at McGill University in Montreal from 1970 to 1981. She died on 4 April 1987 near Mont St-Hilaire, Quebec.

Activities and Achievements Her interest in tourmaline turned out to be a career-long interest. Her paper, co-authored with M.J. Buerger, The Determination of the Crystal Structure of Tourmaline led to 13 more papers on the same topic, including a definitive 1977 paper on the structural mechanism of pyroelectricity in tourmaline. She and her husband frequently collaborated and they published two editions of "Crystal Data" in 1954 and 1963 to compile the research of all crystallographers. Her area of expertise was in crystal chemistry and structural crystallography. She published more than 134 papers in her lifetime, almost half of which were collaborative projects with her husband. Donnay published Laboratory Manual in Crystallography based on her classes at McGill University. She also published Women in the Geological Sciences in Canada in an effort correct the injustices that she experienced in the male-dominated field of geology. She was awarded the Past Presidents’ Medal of the Mineralogical Association of Canada in 1983. She was the first women named to the Johns Hopkins Society of Scholar. The mineral donnayite is named after her and Jose Donnay and the mineral species Gaidonnayite is named after her.

References

Worked examples

Example 1 — a first encounter with Gabrielle Donnay

Start with the simplest possible case. Write down what Gabrielle Donnay 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 Gabrielle Donnay 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 Gabrielle Donnay 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 Gabrielle Donnay

In research: Gabrielle Donnay 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 Gabrielle Donnay 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: Gabrielle Donnay is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1920 births, 1987 deaths, 20th-century American geologists, so understanding it makes those chapters shorter.
In everyday life: Look for Gabrielle Donnay 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 Gabrielle Donnay in 20 minutes

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

Frequently asked questions

What is Gabrielle Donnay in simple terms?

Gabrielle Donnay, née Hamburger (21 March 1920 – 4 April 1987), was a German-born American crystallographer and historian of science. Life Gabrielle Donnay was born in Landeshut, Germany (now Kamienna Góra, Poland) on 21 March 1920 and emigrated to the United States in 1937.

Why does Gabrielle Donnay 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 Gabrielle Donnay?

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 Gabrielle Donnay.