Historedia
Person

Gustav Kirchhoff

Events
2
Episodes
2
Years
1861

Every event in Historedia whose sources name Gustav Kirchhoff, with the role they cite and all of that event’s episodes. This is not a biography, and mentions are grouped by name, so two people with the same name can share this page.

Events and episodes

  1. Bunsen and Kirchhoff discover caesium and rubidium

    1861

    Role: Physicist

    1. 1861 · HeidelbergIsolation of Rubidium

      Bunsen and Kirchhoff discovered rubidium in 1861 from lepidolite in Heidelberg, yielding 9.2 grams of rubidium chloride.

  2. William Crookes announces his discovery of thallium

    1861

    Role: Physicist

    1. March 30, 1861 · London, United KingdomAnnouncement of Thallium

      Crookes announced the discovery of thallium on March 30, 1861, in London, using flame spectroscopy to identify a green spectral line in sulfuric acid residues.

Sources

  1. Gustav Kirchhoff Wikipedia, revision of 2026-10-06
  2. Caesium Wikipedia, revision of 2026-09-26
  3. Thallium Wikipedia, revision of 2026-10-07