Paul Héroult

Events

1

Episodes

1

Years

1886

Every event in Historedia whose sources name Paul Héroult, 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. Event of 1886: American inventor Charles Martin Hall files a patent for his inexpensive method

   1886

   Role: Frenchman who independently discovered the process

   1. 11886 · United States and FranceIndependent Discovery

      The process was discovered independently by Hall and Paul Héroult in 1886, leading to the Hall–Héroult name.

Sources

1. Hall–Héroult process Wikipedia, revision of 2026-09-17
2. Charles Martin Hall Wikipedia, revision of 2026-03-03