chemistry

Leroy Cronin

Leroy Cronin 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 Leroy Cronin rather than just read about it. In short: Leroy "Lee" Cronin FRSE FRSC (born 1 June 1973) is the Regius Chair of Chemistry in the School of Chemistry at the University of Glasgow. He was elected to the Fellowship of the Royal Society of Edinburgh, the Royal Society of Chemistry, and appointed to the Regius Chair of Chemistry in 2013.

Key takeaways

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

Reference excerpt

Leroy "Lee" Cronin FRSE FRSC (born 1 June 1973) is the Regius Chair of Chemistry in the School of Chemistry at the University of Glasgow. He was elected to the Fellowship of the Royal Society of Edinburgh, the Royal Society of Chemistry, and appointed to the Regius Chair of Chemistry in 2013. He was previously the Gardiner Chair, appointed April 2009.

Biography Cronin was awarded BSc (1994) and PhD (1997) from the University of York. From 1997 to 1999, he was a Leverhulme fellow at the University of Edinburgh working with Neil Robertson. From 1999 to 2000 he worked as an Alexander von Humboldt research fellow in the laboratory of Achim Mueller at the University of Bielefeld (1999–2000). In 2000, he joined the University of Birmingham as a lecturer in chemistry, and in 2002 he moved to a similar position at the University of Glasgow. In 2005, he was promoted to Reader at the University of Glasgow, EPSRC Advanced Fellow followed by promotion to Professor of Chemistry in 2006, and in 2009 became the Gardiner Professor. In 2013, he became the Regius Professor of Chemistry (Glasgow). In 2012 Cronin was described to be designing robots using 3D printed-architectures to discover and design new chemicals including pharmaceuticals. By making a modular system he was able to build a programming language for chemistry named XDL. This was extended to ensure the "chemputer" was universal and this was demonstrated by reading the chemistry synthesis literature and converting it into executable chemical code. A spinoff company led by Cronin, called Chemify, was launched in 2019 and raised £33m in 2023. In 2017 Cronin first published the concept of assembly theory which aims to quantify how complex a molecule is, considering how many steps it would take to build the molecule using the minimum number of steps to add together the various parts allowing reuse. In 2022 Cronin was suspended by the Royal Society of Chemistry for three months for breaching their code of conduct, following an investigation of a complaint made by a third party.

Awards and recognition 2007 Philip Leverhulme Prize by the Leverhulme Trust 2012 Royal Society of Chemistry Corday–Morgan medal 2014 recognised as one of the UK's top 10 Inspiring Scientists and Engineers (RISE) as well as being recognised as one of the top 100 UK practising Scientists by the UK Science Council. 2015 Royal Society of Edinburgh BP / Hutton Prize for Energy innovation. Royal Society of Chemistry Tilden Prize. 2018 American Chemical Society Inorganic Chemistry Lectureship Royal Society of Chemistry Interdisciplinary Prize for his work developing the field of digital chemistry

References

External links The Cronin Group Cronin biography Leroy Cronin at TED Lee Cronin: Making matter come alive, a TED talk (2011) Lee Cronin: Print your own medicine, a TED talk (2012)

Illustrations

Worked examples

Example 1 — a first encounter with Leroy Cronin

Start with the simplest possible case. Write down what Leroy Cronin 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 Leroy Cronin 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 Leroy Cronin 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 Leroy Cronin

In research: Leroy Cronin 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 Leroy Cronin 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: Leroy Cronin is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1973 births, 21st-century British chemists, Alumni of the University of York, so understanding it makes those chapters shorter.
In everyday life: Look for Leroy Cronin 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 Leroy Cronin in 20 minutes

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

Frequently asked questions

What is Leroy Cronin in simple terms?

Why does Leroy Cronin 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 Leroy Cronin?

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 Leroy Cronin.