e/Elisha Gray and Alexander Bell telephone controversy

Information
has gloss	eng: The Elisha Gray and Alexander Graham Bell controversy concerns the question of whether Bell or Gray invented the telephone independently and, if not, whether Bell stole the invention from Gray. This controversy is narrower than the broader question of who deserves credit for inventing the telephone, for which there are several claimants.
lexicalization	eng: Elisha gray and alexander bell telephone controversy
instance of	c/Discovery and invention controversies

Media
media:img	Bell-gray-smoking-gun.png