Adapted from an image by Chicago Tribune (30 de maig del 1897) (public domain), via Wikimedia Commons.
1838–1911
Marc Delafontaine
Discovered holmium in 1878.
Element
67HoHolmium
1878
In 1878 Marc Delafontaine and Jacques-Louis Soret, in Geneva, saw unexplained lines in the spectrum of erbium, and Per Teodor Cleve, in Uppsala, separated the same element from it. Cleve named it holmium, after Holmia, the Latin name for Stockholm.
Keep exploring
Where the dates and stories on this page come from; each event on the timeline links to its own source.
- HolmiumRoyal Society of Chemistry
- Marc DelafontaineWikipedia