Marc Delafontaine

Marc Delafontaine
BornMarch 31, 1837 or 1838
NationalitySwiss
Known forholmium
Scientific career
InstitutionsUniversity of Geneva

Marc Delafontaine (March 31, 1837/1838, Céligny, Switzerland[a]–1911[b]) was a Swiss chemist and spectroscopist who was involved in discovering and investigating some of the rare earth elements.
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