Did Albert Einstein steal the idea for the relativity theory? There are rumors that various scientists published the basic ideas of the relativity theory earlier and Einstein did not cite them at all in his publications. Is this true?

https://www.quora.com/Did-Albert-Einstein-steal-the-idea-for-the-relativity-theory-There-are-rumors-that-various-scientists-published-the-basic-ideas-of-the-relativity-theory-earlier-and-Einstein-did-not-cite-them-at-all-in-his-publications-Is-this-true

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