Episode 2 of 4

Recognition of Courtois

When
1813
Where
Paris
Part of
Bernard Courtois discovers iodine

Davy and Gay-Lussac acknowledged Courtois as the true discoverer despite arguments over identification.

Arguments erupted between Davy and Gay-Lussac over who identified iodine first. However, both ultimately recognized Courtois as the true discoverer of the element. Courtois was acknowledged by Humphry Davy and Joseph Louis Gay-Lussac as the true discoverer.

Sources

  1. Iodine Wikipedia, revision of 2026-10-01
  2. Bernard Courtois Wikipedia, revision of 2026-07-21

Machine-drafted from the cited Wikipedia passages and checked by a reviewing model, not by a human editor. Every passage cites the revision it was written from; dates and places follow those passages.