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Henri B. Kagan
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Portrait of Professor Henri Boris Kagan wearing glasses, a dark jacket, striped tie, and light blue shirt.
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Portrait of Professor Henri Boris Kagan wearing glasses, a dark jacket, striped tie, and light blue shirt.
Henri B. Kagan French chemist Henri B. Kagan shared the 2026 Nobel Prize for Chemistry with Japanese chemist Kenso Soai. In 1986 Kagan discovered a new way of manipulating chemical reactions.

Henri B. Kagan

French chemist
Also known as: Henri Boris Kagan
Written by
Erik Gregersen
Erik Gregersen is a senior editor at Encyclopaedia Britannica, specializing in the physical sciences and technology. Before joining Britannica in 2007, he worked at the University of Chicago Press on the...
Erik Gregersen
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Britannica Editors
Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree....
Britannica Editors
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•History

Henri B. Kagan (born December 15, 1930, Boulogne-Billancourt, France) is a French chemist who was awarded the 2026 Nobel Prize for Chemistry for his work on nonlinear effects in asymmetric chemical reactions. He shared the prize with Japanese chemist Kenso Soai. Quick Facts Kagan received a bachelor’s in chemical engineering from the École Nationale Supérieure de Chimie de Paris in 1954 and a doctorate from the Collège de France in 1960. He then became a...

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