science

Mary Tebb

Mary Tebb is a science 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 Mary Tebb rather than just read about it. In short: Mary Christine Rosenheim (née Tebb, 1868 – 1953) was an English physiologist. She is particularly known for her work with Otto Rosenheim on the crystalline material protagon.

Key takeaways

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

Reference excerpt

Mary Christine Rosenheim (née Tebb, 1868 – 1953) was an English physiologist. She is particularly known for her work with Otto Rosenheim on the crystalline material protagon.

Early life Mary was the daughter of businessman and activist William Tebb and his wife Mary, née Scott. Her brother William was a medical doctor and her sister Florence was a mathematician who, like Mary, studied at Girton. Mary was educated at Bedford College, London, from 1882 to 1887.

Career At Girton College, Cambridge, Mary studied natural sciences between 1887 and 1893, where she gained a double first and specialised in physiology in Part II. She held a Bathurst studentship and was assistant to Marion Greenwood (later Marion Bidder), leader of the Balfour Biological Laboratory for Women, between 1891 and 1893. She then moved to King's College, London, where she worked at William Dobinson Halliburton's Chemical Physiology Laboratory until 1910, and at the Physiology Laboratory from 1910 to 1916. During this time, she published papers on enzymatic hydrolysis of complex carbohydrates and on the structure of protein fibres in connective tissue. This brought her into a controversy about the nature of reticulin which was not resolved until much later. Between 1907 and 1910, she collaborated with King's College's lecturer in physiological chemistry, Otto Rosenheim, a German chemist who had emigrated to England in 1894 to escape antisemitism. They studied protagon, a crystalline material produced by the brain, and established that it was a mixture rather than a chemical compound. In the words of an obituarist, 'They laid the bogy of protagon, around which unseemly controversy had raged.' Tebb and Rosenheim married in July 1910. Mary received grants from the Royal Society to study cholesterol until 1916.

In 1923, she worked at the Medical Research Council in Hampstead along with Rosenheim. They studied spermine, having established the conditions for the reproduction of spermine phosphate crystals while at King's College. She died in 1953, being nursed by her husband for the last two years of her life.

Select publications 'Reticulin and Collagen,' Journal of Physiology 27:6 (1902), 463-472 (with Otto Rosenheim) 'The non-existence of "protagon" as a definite chemical compound,' Journal of Physiology 36:1 (1907), 1–16

References

Illustrations

Worked examples

Example 1 — a first encounter with Mary Tebb

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

In research: Mary Tebb appears in science 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 Mary Tebb 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: Mary Tebb is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1868 births, 1953 deaths, 19th-century English women scientists, so understanding it makes those chapters shorter.
In everyday life: Look for Mary Tebb 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 Mary Tebb in 20 minutes

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

Frequently asked questions

What is Mary Tebb in simple terms?

Mary Christine Rosenheim (née Tebb, 1868 – 1953) was an English physiologist. She is particularly known for her work with Otto Rosenheim on the crystalline material protagon.

Why does Mary Tebb matter?

Because it connects several science 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 Mary Tebb?

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 Mary Tebb.