physics

Martin Halliday

Martin Halliday 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 Martin Halliday rather than just read about it. In short: Anthony Martin Halliday (19 August 1926 – 18 March 2008) was a British physician and consultant in clinical neurophysiology. He worked most of his career at the National Hospital for Neurology and Neurosurgery in London.

Key takeaways

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

Reference excerpt

Anthony Martin Halliday (19 August 1926 – 18 March 2008) was a British physician and consultant in clinical neurophysiology. He worked most of his career at the National Hospital for Neurology and Neurosurgery in London.

Career Halliday was born on 19 August 1926 in Liverpool to William Reginald Halliday and Edith Hilda (née Macneile Dixon). His family history included numerous ancestors working in the field of medicine. Halliday was schooled at Dauntsey's School, he studied medicine at the University of Glasgow where he graduated in 1949. In 1950 he did his national service where he worked for the British Army physiological section. Halliday worked on finger tremor physiology, which seemed to be linked to sleepiness. His research was valuable as British pilots at times fell asleep while flying round the clock for the Berlin airlift. As such, it was noticed by Arnold Carmichael, the director of the neurophysiology unit of the National Hospital. Carmichael persuaded Halliday to come work at the National when he finished his national service in 1953. At first Halliday joined a research team, in 1961 he became a consultant in clinical neurophysiology and became the head of his own Medical Research Council. Halliday became interested in changes in brainwave patterns, caused by stimulation of the senses. He became best known for his work on pattern-reversal visual evoked potential. With Ian McDonald he developed a technique which led to laboratory tests for the diagnosis of multiple sclerosis. In 1989 he became a Fellow of the Royal College of Physicians. He became a foreign member of the Royal Netherlands Academy of Arts and Sciences in 1991. Halliday died on 28 March 2008, aged 81, after having suffered from pulmonary fibrosis.

References

Worked examples

Example 1 — a first encounter with Martin Halliday

Start with the simplest possible case. Write down what Martin Halliday 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 Martin Halliday 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 Martin Halliday 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 Martin Halliday

In research: Martin Halliday 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 Martin Halliday 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: Martin Halliday is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1926 births, 2008 deaths, 20th-century British Army personnel, so understanding it makes those chapters shorter.
In everyday life: Look for Martin Halliday 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 Martin Halliday in 20 minutes

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

Frequently asked questions

What is Martin Halliday in simple terms?

Why does Martin Halliday 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 Martin Halliday?

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 Martin Halliday.