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Marc Chaussidon has been awarded the 2026 Leonard Medal, the Meteoritical Society’s highest honour

On the occasion of its 88th Annual Meeting the Meteoritical Society has presented the 2026 Leonard medal to Marc Chaussidon for his transformative contributions to the understanding of isotopic variations in meteorites and short-lived radionuclides in the early solar system.

Marc Chaussidon has been awarded the 2026 Leonard Medal, the Meteoritical Society’s highest honour

Guy Consolmagno, President of the Meteoritical Society, presenting the Leonard Medal to Marc Chaussidon (photo: Horst Marschall)

Publication date: 08/09/2026

Research

The Leonard Medal is given to individuals who have made outstanding original contributions to the science of meteoritics or closely allied fields. It is the highest honor in this field, it was established in 1962 to honor the first President of the Society, Frederick C. Leonard

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