chemistry

Roger A. Sheldon

Roger A. Sheldon is a chemistry 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 Roger A. Sheldon rather than just read about it. In short: Roger Arthur Sheldon (24 June 1942 – 6 October 2025) was a British chemist. He was emeritus professor of Biocatalysis and Organic Chemistry at Delft University of Technology in the Netherlands.

Key takeaways

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

Reference excerpt

Roger Arthur Sheldon (24 June 1942 – 6 October 2025) was a British chemist. He was emeritus professor of Biocatalysis and Organic Chemistry at Delft University of Technology in the Netherlands.

Education Sheldon was educated at the University of Leicester where he was awarded a PhD in 1967 for research on the chemical reactions of the tetraphenyldiphosphine. supervised by Stuart Trippett and Stephen Davidson.

Career and research Sheldon was distinguished for his pioneering and wide-ranging contributions to catalytic oxidation, biocatalysis and green chemistry and for bridging the traditional gap between organic synthesis and catalysis. He introduced the concept of the E-factor which is now used by companies globally for assessing the efficiency and environmental impact of chemical processes. He consistently emphasised the need for a new paradigm in the evaluation of efficiency in chemical processes from the traditional concept of chemical yield to one that assigns value to waste minimisation and was an avid proponent of elegance and precision in organic synthesis.

Awards and honours Sheldon was elected a Fellow of the Royal Society (FRS) in 2015 and a Fellow of the Royal Society of Chemistry (FRSC) in 1980. He was awarded the Green Chemistry Award by the Royal Society of Chemistry in 2010, and made an Honorary Fellow of the same society in 2018.

References

This article incorporates text available under the CC BY 4.0 license.

Illustrations

Worked examples

Example 1 — a first encounter with Roger A. Sheldon

Start with the simplest possible case. Write down what Roger A. Sheldon claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In chemistry, 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 Roger A. Sheldon 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 Roger A. Sheldon 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 Roger A. Sheldon

In research: Roger A. Sheldon appears in chemistry 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 Roger A. Sheldon 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: Roger A. Sheldon is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1942 births, 2025 deaths, Academic staff of the Delft University of Technology, so understanding it makes those chapters shorter.
In everyday life: Look for Roger A. Sheldon 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 Roger A. Sheldon in 20 minutes

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

Frequently asked questions

What is Roger A. Sheldon in simple terms?

Roger Arthur Sheldon (24 June 1942 – 6 October 2025) was a British chemist. He was emeritus professor of Biocatalysis and Organic Chemistry at Delft University of Technology in the Netherlands.

Why does Roger A. Sheldon matter?

Because it connects several chemistry 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 Roger A. Sheldon?

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 Roger A. Sheldon.