science

Richard Keynes

Richard Keynes 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 Richard Keynes rather than just read about it. In short: Richard Darwin Keynes, CBE, FRS ( KAYNZ; 14 August 1919 – 12 June 2010) was a British physiologist. The great-grandson of Charles Darwin, Keynes edited his great-grandfather's accounts and illustrations of Darwin's famous voyage aboard HMS Beagle into The Beagle Record: Selections From the Original Pictorial Records and Written Accounts of the Voyage of the H.M.S.

Key takeaways

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

Reference excerpt

Richard Darwin Keynes, CBE, FRS ( KAYNZ; 14 August 1919 – 12 June 2010) was a British physiologist. The great-grandson of Charles Darwin, Keynes edited his great-grandfather's accounts and illustrations of Darwin's famous voyage aboard HMS Beagle into The Beagle Record: Selections From the Original Pictorial Records and Written Accounts of the Voyage of the H.M.S. Beagle, which won praise from the New York Review of Books and The New York Times Book Review.

Career Keynes was the eldest son of Geoffrey Keynes and his wife Margaret Elizabeth (née Darwin), daughter of George Darwin. He was educated at Oundle School before going up to Trinity College, Cambridge. In 1945, he married Anne Pinsent Adrian, daughter of Edgar Adrian and his wife Hester (née Pinsent). They had four sons, Adrian (1946–1974), Randal Keynes (1948-2023), Roger Keynes (b. 1951), and Simon Keynes (born 1952). During the war, Keynes served as a temporary experimental officer at the Anti-Submarine Establishment and Admiralty Signals Establishment (1940–45), returning to Cambridge after the war to complete his degree (1st Class, Natural Science Tripos Part II, 1946). Keynes remained at Trinity College as a Research Fellow between 1948 and 1952, winning the Gedge Prize in 1948 and the Rolleston Memorial Prize in 1950. His career at Cambridge included: demonstrator in Physiology (1949–53); Lecturer (1953–60); Fellow of Peterhouse (1952–60, and an Honorary Fellow, 1989); Head of the Physiology Department, and first Deputy Director (1960–64), then Director (1965–73); Director of the ARC Institute of Animal Physiology (1965–72); Professor of Physiology (1973–87); Fellow of Churchill College, since 1961. Outside Cambridge, Keynes's positions included: Secretary-General of the International Union for Pure and Applied Biophysics (1972–78), then Vice-President (1978–81) and President (1981–84); chairman of the International Cell Research Organisation (1981–83) and the ICSU/Unesco International Biosciences Networks (1982–93); President of the European Federation of Physiological Societies (1991); a Vice-President of the Royal Society (1965–68); Croonian Lecturer (1983); Fellow of Eton College (1963–78); foreign member of the Royal Danish Academy (1971), American Philosophical Society (1977), American Academy of Arts and Sciences (1978) and the American Physiological Society (1994).

Bibliography Keynes, R., ed. (1979). The Beagle Record: Selections From the Original Pictorial Records and Written Accounts of the Voyage of the H.M.S. Beagle. Cambridge: Cambridge University Press. ISBN 978-0-521-21822-1. Keynes, R. & Aidley, David J. (2001). Nerve and Muscle. Cambridge: Cambridge University Press. ISBN 978-0-521-80584-1. Bolis, C.; Keynes, R. D. & Maddrell, Simon Hugh Piper (1984). Comparative Physiology of Sensory Systems. Cambridge: Cambridge University Press. ISBN 978-0-521-25002-3. Keynes, R., ed. (2000). Charles Darwin's Zoology Notes and Specimen Lists from H. M. S. Beagle. Cambridge: Cambridge University Press. ISBN 978-0-521-67350-1.

Worked examples

Example 1 — a first encounter with Richard Keynes

Start with the simplest possible case. Write down what Richard Keynes 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 Richard Keynes 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 Richard Keynes 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 Richard Keynes

In research: Richard Keynes 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 Richard Keynes 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: Richard Keynes is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1919 births, 2010 deaths, Alumni of Trinity College, Cambridge, so understanding it makes those chapters shorter.
In everyday life: Look for Richard Keynes 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 Richard Keynes in 20 minutes

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

Frequently asked questions

What is Richard Keynes in simple terms?

Why does Richard Keynes 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 Richard Keynes?

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 Richard Keynes.