Rare Earth Element Separation
Advances analytical chemistry of the difficult rare-earth elements.
Historical biography archive · Updated 2026-11-03
Carl Auer von Welsbach Biography and Timeline
Follow Carl Auer von Welsbach through 4 dated historical records for Austria.
Carl Auer von Welsbach, historical timeline
A chronological timeline drawn from matching World History Database records.
4Distinct records
1 of 1Page
1885–1885Years on this page
1885
Separation of Neodymium and Praseodymium
Separates didymium into the elements neodymium and praseodymium.
Gas Mantle Development
Develops a rare-earth gas mantle producing intense white light.
Incandescent Gas Lighting
Greatly improves the efficiency and brightness of gas illumination.
Records, sources and methodology
These dates and descriptions come from the historical_events database. Exact duplicate records have been collapsed. Names are grouped by the country, Name 2 and Name 1 fields; records with missing Name 2 cannot be reliably assigned to an individual biography. Check the underlying sources before formal citation.