astronomy

Leonard Redshaw

Leonard Redshaw 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 Leonard Redshaw rather than just read about it. In short: Sir Leonard Redshaw (15 April 1911 – 29 April 1989) was a shipbuilder from Barrow-in-Furness, England. Like his father, Redshaw became an apprentice ships' draughtsman at Vickers shipyard at the age of 16.

Key takeaways

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

Reference excerpt

Sir Leonard Redshaw (15 April 1911 – 29 April 1989) was a shipbuilder from Barrow-in-Furness, England. Like his father, Redshaw became an apprentice ships' draughtsman at Vickers shipyard at the age of 16. Though this was unusual at the time, he completed graduate work at Liverpool University in naval architecture, including some time in German plants in 1934. After advancing through management, he became the Shipbuilding Manager at the yard in 1950, aged 39, and then the managing director of the Barrow-based Vickers Shipbuilding Group in 1965. In 1968, he became the chairman of the company, and was knighted for his contributions to British exports in 1972. He retired in 1976, having been promoted to deputy chairman of Vickers. In later life, he was a member of a so-called "Suicide Squad" of older engineers and scientists who volunteered to be first responders in disasters involving nuclear reactors. At Barrow, Redshaw oversaw the building of HMS Dreadnought, the United Kingdom's first nuclear-powered submarine, and subsequently saw Barrow achieve a monopoly on the construction of British nuclear submarines. The Dreadnought success also led to the yard being appointed the primary builder of the submarines for the UK Polaris programme. During this time, Redshaw was named as the "Builders Chief Polaris Executive"; on this project, he worked opposite and alongside Rear Admiral Hugh McKenzie of the Royal Navy. The pair were mutually hostile, with Redshaw doubting that McKenzie had the business acumen to handle the project, and McKenzie thinking Redshaw and Barrow's plant to be highly outdated. The shipyard was highly profitable under his management, succeeding while other shipbuilding ventures were failing and becoming the major profit centre of the wider Vickers company. Despite this, Redshaw had a series of protracted disagreements with the ship builders' unions concerning the company's direction, and he was in turn critical of the unions' power. Redshaw published two books, British Shipbuilding-Welding (1947) and Application of Welding to Ship Construction (1962).

Personal Redshaw married Joan Mary (née White) in 1939. They had a daughter and a son. He was a gliding enthusiast, logging over 3,000 hours in the air, and owner of several glider models. A biography of Redshaw, Vickers' Master Shipbuilder: Sir Leonard Redshaw by Leslie M. Shaw, was published in 2011 by Black Dwarf Publications.

References

Further reading Shore, Leslie M. (2011). Vickers' Master Shipbuilder: Sir Leonard Redshaw. Lydney, Gloucestershire: Black Dwarf Publications. ISBN 9781903599174.

Worked examples

Example 1 — a first encounter with Leonard Redshaw

Start with the simplest possible case. Write down what Leonard Redshaw 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 Leonard Redshaw 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 Leonard Redshaw 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 Leonard Redshaw

In research: Leonard Redshaw 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 Leonard Redshaw 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: Leonard Redshaw is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1911 births, 1989 deaths, 20th-century English businesspeople, so understanding it makes those chapters shorter.
In everyday life: Look for Leonard Redshaw 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 Leonard Redshaw in 20 minutes

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

Frequently asked questions

What is Leonard Redshaw in simple terms?

Why does Leonard Redshaw 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 Leonard Redshaw?

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 Leonard Redshaw.