physics

J. M. Robson

J. M. Robson 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 J. M. Robson rather than just read about it. In short: John Michael 'Rab' Rabinovich FRSE FRCS FRCSE LLD (1900–1982) ) was a geneticist who co-founded the science of mutagenesis by mutations in fruit flies exposed to mustard gas. He was Professor at Guy's Hospital Medical School.

Key takeaways

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

Reference excerpt

John Michael 'Rab' Rabinovich FRSE FRCS FRCSE LLD (1900–1982) ) was a geneticist who co-founded the science of mutagenesis by mutations in fruit flies exposed to mustard gas. He was Professor at Guy's Hospital Medical School.

Life Born in Belgium to a Russian Jewish family on 31 December 1900 (according to the Royal Society of Edinburgh), Rabinovich came prior to World War I in England, where he attended school in Leeds and graduated with a BSc in 1925. In 1940, along with Charlotte Auerbach and A.J. Clark, he discovered that mustard gas could cause mutations in fruit flies, founding the science of mutagenesis. He continued earlier research on sex hormones when he moved to the Pharmacology Department of Guy's Hospital Medical School, London in 1946, but grew more interested in the similar effects of exposure to mustard gas with exposure to X-rays. Robson's pharmacological research paved the way for the development of the contraceptive pill in the 1960s. While there he undertook research on the effects of gonadotrophins in pregnancy, and also supervised the Pregnancy Diagnosis Station that had been founded by the Institute's director Professor Francis Crew. In 1932 he received an honorary doctorate (DSc) from the University of Edinburgh, and was elected a Fellow of the Royal Society of Edinburgh. His proposers were Francis Albert Eley Crew, Bertold Wiesner, Alan William Greenwood, and Sir Edward Albert Sharpey-Schafer. In 1946 he moved to London as a Reader in Pharmacology at Guy's Hospital Medical School, and was given a professorship there in 1950. Here he focussed upon endocrinology. He retired in 1968, and was made Emeritus Professor at Guys. He died in London on 18 February 1982 aged 81.

Publications Recent Advances in Sex and Reproductive Physiology (1934) Recent Advances in Pharmacology (1950)

Family Robson married Sarah Benjamin in September 1930 in Leeds.

References

Worked examples

Example 1 — a first encounter with J. M. Robson

Start with the simplest possible case. Write down what J. M. Robson 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 J. M. Robson 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 J. M. Robson 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 J. M. Robson

In research: J. M. Robson 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 J. M. Robson 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: J. M. Robson is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1900 births, 1982 deaths, 20th-century Belgian biologists, so understanding it makes those chapters shorter.
In everyday life: Look for J. M. Robson 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 J. M. Robson in 20 minutes

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

Frequently asked questions

What is J. M. Robson in simple terms?

Why does J. M. Robson 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 J. M. Robson?

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 J. M. Robson.