c.curionodeThe Nobel Archive

2026 · Chemistry · Laureate

Henri B. Kagan

Asymmetric synthesis

Born
1930 · Boulogne-Billancourt, France
Affiliation at the award
Université Paris-Sud
Prize share
1/2
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Illustrated portrait of Henri B. Kagan
Original AI-generated editorial portrait; an artistic interpretation, not a photograph.

A life in context

The person behind the prize

Kagan completed his doctorate in 1960 and became a professor at Université Paris-Sud. His research explored how catalysts favour one of two mirror-image molecular forms.

The contribution

His work on nonlinear effects showed that the product’s imbalance between mirror forms could exceed that of the catalyst.

The idea in plain language

Some molecules come in forms like left and right hands: the same parts, arranged as mirror images. Their interactions with living systems can differ.

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Sources & further reading

  1. Official award announcement kva.se
  2. Royal Society of Chemistry overview rsc.org

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