chemistry

Roman Kaiser

Roman Kaiser 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 Roman Kaiser rather than just read about it. In short: Roman Kaiser (born in Kirchberg SG on 15 July 1945) is a Swiss fragrance chemist. Since 1968 he has been working at Givaudan, the world's largest company in the flavour and fragrance industry, where he analyzes and reconstitutes natural scents for use in perfumery using the headspace technology which he pioneered and which as a new concept made significant impact on the analysis of natural products.

Key takeaways

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

Reference excerpt

Roman Kaiser (born in Kirchberg SG on 15 July 1945) is a Swiss fragrance chemist. Since 1968 he has been working at Givaudan, the world's largest company in the flavour and fragrance industry, where he analyzes and reconstitutes natural scents for use in perfumery using the headspace technology which he pioneered and which as a new concept made significant impact on the analysis of natural products.

Career Following his chemistry studies at the Zurich University of Applied Sciences he joined the research center of Givaudan in Dübendorf near Zürich in 1968, and since then has been working as a fragrance chemist in this company. His main research activity centers around the study and the reconstitution of the scents of nature, and the search for as well as the synthesis of new odorants isolated from nature. For this purpose, he has since 1975 applied the headspace technology which leaves the plant and its flowers intact by analyzing the surrounding air with the help of gas chromatography. He is considered one of the pioneers of this method, and many of the accords reconstituted by him have found use in internationally renowned fragrances. In recognition of his many scientific contributions, he received an honorary degree from the ETH Zurich in November 1995. His recent work was more focussed on the plants of the canopy and understory layers of tropical rainforests, and on the reconstitution of scents of endangered plant species.

Publications The results of his research have been documented in over 30 research articles in academic journals, and led to about 25 patents. He has so far also published 2 books, a third book on “Vanishing Flora – Lost Chemistry” is upcoming:

R. Kaiser, The Scent of Orchids – Olfactory and Chemical Investigations, Elsvier, Amsterdam, 1993, ISBN 978-0-444-89841-8, 260 pages (incl. biographical sketch, English). R. Kaiser, Meaningful Scents around the World. Olfactory, Chemical, Biological and Cultural Considerations, Verlag Helvetica Chimica Acta, Zürich, and WILEY-VCH, Weinheim, 2006, ISBN 978-3-906390-37-6, 304 pages. R. Kaiser, Scent of the Vanishing Flora, Verlag Helvetica Chimica Acta, Zürich, and Wiley-VCH, Weinheim, November 2010, ISBN 978-3-906390-64-2, 400 pages.

Illustrations

Worked examples

Example 1 — a first encounter with Roman Kaiser

Start with the simplest possible case. Write down what Roman Kaiser 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 Roman Kaiser 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 Roman Kaiser 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 Roman Kaiser

In research: Roman Kaiser 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 Roman Kaiser 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: Roman Kaiser is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1945 births, Living people, Swiss chemists, so understanding it makes those chapters shorter.
In everyday life: Look for Roman Kaiser 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 Roman Kaiser in 20 minutes

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

Frequently asked questions

What is Roman Kaiser in simple terms?

Why does Roman Kaiser 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 Roman Kaiser?

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 Roman Kaiser.