Died 1905-06-18.
Text from Wikipedia, available under CC BY-SA 4.0.
- #wikidata
- #death

Figure timeline
Per Teodor Cleve was a Swedish chemist, biologist, mineralogist and oceanographer. He is best known for his discovery of the chemical elements holmium and thulium.
Text from Wikipedia, available under CC BY-SA 4.0.
science · Swedish chemist who discovered holmium and thulium (1840–1905) · chemist · mineralogist · zoologist · university teacher · geologist · scientist · botanist · oceanographer · botanical collector · scientific collector · also Per Teodor Cleve, Per Theodor Cleve, Per Cleve, Cleve, Per T. Cleve
Born 10 February 1840 · Died 18 June 1905 · Q377822
15 published statements · 0 followers
See & hear
2 photos
Media from Wikimedia Commons, hotlinked at the source under its own licence — see each file for author and terms.
Live now
Pulling headlines from trusted outlets — this usually takes a few seconds
Checking the wires…
Feed scan
These are live links, not archived citations — they only join the timeline once a collect run verifies and archives them.
Live pulse
Most recent outstanding titles, awards, and quotes
Died 1905-06-18.
Text from Wikipedia, available under CC BY-SA 4.0.
Won Davy Medal (1894).
Text from Wikipedia, available under CC BY-SA 4.0.
Cleve began to mainly focus on the field of biology, mainly studying freshwater algae, diatoms, and plankton
Text from Wikipedia, available under CC BY-SA 4.0.
Cleve was the first person to describe the plankton species Nitzschia seriata
Text from Wikipedia, available under CC BY-SA 4.0.
Published Kemiskt Handlexicon, which translates to Chemical Handbook
Text from Wikipedia, available under CC BY-SA 4.0.
And The Seasonal Distribution of Atlantic Plankton Organisms in 1900
Text from Wikipedia, available under CC BY-SA 4.0.
Cleve discovered holmium and thulium
Text from Wikipedia, available under CC BY-SA 4.0.
Cleve proved that the newly discovered element scandium was an element predicted by Dmitri Mendeleev to be "eka-boron"
Text from Wikipedia, available under CC BY-SA 4.0.
Theorised that didymium was in fact two elements; this theory was confirmed in 1885 when Carl Auer von Welsbach discovered neodymium and praseodymium
Text from Wikipedia, available under CC BY-SA 4.0.
That the element didymium consisted of two elements
Text from Wikipedia, available under CC BY-SA 4.0.
Cleve married Carolina Alma "Caralma" Öhbom (known as Alma Cleve), a teacher and author; the couple had three daughters
Text from Wikipedia, available under CC BY-SA 4.0.
And a PhD from the same university in 1868
Text from Wikipedia, available under CC BY-SA 4.0.
Aged 20, Cleve became assistant professor of mineralogy at the University of Uppsala, and was appointed assistant professor of chemistry in 1868
Text from Wikipedia, available under CC BY-SA 4.0.
Born 1840-02-10.
Text from Wikipedia, available under CC BY-SA 4.0.
Cleve earned his BSc and PhD from Uppsala University in 1863 and 1868, respectively
Text from Wikipedia, available under CC BY-SA 4.0.
Connections