The man who invented the modern world died alone in a New York hotel room.

By the next morning, federal agents had seized everything.

80 trunks of research. A legendary safe deposit box. Decades of documents. All of it taken by the Office of Alien Property — despite Tesla being an American citizen for over 50 years.

The man who evaluated his papers? Dr. John G. Trump — Donald Trump's uncle.

His verdict: nothing of value.

But only 60 trunks made it to the Tesla Museum in Belgrade. Twenty remain unaccounted for. Some files are still classified. The Edison Medal — vanished.

In this series finale, we cover Tesla's final years, his offers of a "death ray" to multiple governments (including $25,000 from the Soviets), the bizarre Tunguska theory, and the uncomfortable questions that remain unanswered 80 years later.

What was actually in those trunks? What is still being protected?

Come Curious. Stay Strange.

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SOURCES

Seifer, Marc J. Wizard: The Life and Times of Nikola Tesla. Citadel Press, 1996.
Tesla, Nikola. My Inventions: The Autobiography of Nikola Tesla. 1919.
History.com: "The Mystery of Nikola Tesla's Missing Files"
PBS: Tesla — Master of Lightning, "The Missing Papers" + "A Weapon to End War"
FBI Vault: Nikola Tesla FOIA Files (2016, 2018 releases)
MuckRock: "FBI Releases Catalog of Nikola Tesla's Writings Seized After His Death"
Lapham's Quarterly: "Spying on Tesla"
Wikipedia: John G. Trump
Wikipedia: Teleforce
Wikipedia: Tunguska event
Tesla Universe: "The Death Ray of Nikola Tesla"
Tesla Universe: "Map showing Tunguska lies on a direct line from Tesla's Wardenclyffe"
The Unredacted: "The Tunguska Blast: Tesla's Death Ray"
Science History Institute: "The Undying Appeal of Nikola Tesla's Death Ray"
Nicholsen, Oliver. "Tesla's Wireless Power Transmitter and the Tunguska Explosion of 1908"
El Ciudadano: "Donald Trump's Uncle Reviewed Nikola Tesla's Confiscated Documents" (Feb 2026)
Interesting Engineering: "The Mysterious Disappearance of Nikola Tesla's Files"
OCD-UK: Nikola Tesla profile
AAAS: "The Brilliant and Tortured World of Nikola Tesla"