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I would be grateful if anyone could shed some light on these questions.

  1. Which scientist(s) first measured the elementary charge? If it wasn't measured in a straightforward experimental setting, and was posited a priori or derived from some prior equation formally, what was the underlying reasoning?

  2. What experiment or a set of experiments led to the empirical confirmation of the value of the elementary charge?

Rodrigo de Azevedo
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alghazali
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  • Did you check Wikipedia? https://en.wikipedia.org/wiki/Elementary_charge – Mary Oct 09 '21 at 16:41
  • I am voting to reopen the question, even if Is Millikan's famous oil drop experiment a fraud? discusses Milikan experiment it does not answer the question directly. Particularly, the answers there state that Milikan was a fraud, so who measured it first? – Mauricio Oct 10 '21 at 09:14
  • @Mauricio precisely, I don't understand why the question was closed. And the wiki doesn't mention the history of its discovery and experimental measurement. The other question about Millikan concerns a different subject altogether. It skirts past the question of which experiment was the first to settle the matter in a definitive way. – alghazali Oct 12 '21 at 04:38

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