Curious, I asked Grok:

> Is there controversy over the true inventor of the telephone?Yes, there is controversy over the true inventor of the telephone. While Alexander Graham Bell is widely credited, several inventors and researchers argue for recognition based on their contributions:

> Antonio Meucci: An Italian inventor who filed a patent caveat for a "voice communication apparatus" in 1871, five years before Bell's patent. Meucci's device, the "teletrofono," could transmit voice over a wire. Due to financial hardship, Meucci couldn't renew his caveat, and Bell was granted the patent in 1876. In 2002, the U.S. House of Representatives passed a resolution (H.Res. 269) recognizing Meucci's contributions, stating he demonstrated a working device earlier, though it didn't officially credit him as the inventor. Some still argue Meucci deserves primary credit.

> Elisha Gray: An American engineer who filed a patent caveat for a telephone-like device on the same day as Bell, February 14, 1876. Bell's patent was filed hours earlier, leading to disputes. Some claim Bell may have had access to Gray’s ideas through patent office connections, though no definitive evidence supports this. Gray later challenged Bell’s patent but lost in court.

> Philipp Reis: A German inventor who developed a device called the "Reis telephone" in 1861, capable of transmitting music and some speech. While it was less practical for clear voice communication, some argue it was a precursor to the telephone.