A Pedigreed Rail Magnate Is Pouring Millions Into Electing Donald Trump

Timothy Mellon, a wealthy banking heir and railroad magnate, has reached the stratosphere of American political influence as the top supporter of Donald J. Trump, doling out millions to try to elect the former president and his allies.

But to his neighbors in a Rhode Island beachfront enclave, he is better known as the prime suspect in the Narragansett Runestone Affair.

A hulking boulder once positioned just offshore in Narragansett Bay, the runestone bears inscriptions that some believe were left by Viking explorers. It was the stuff of local lore and attracted visitors at low tide — to the consternation of Mr. Mellon, the pedigreed businessman whose home looked out on the rock.

And then one day it was gone.

A criminal investigation yielded a witness who had heard sounds of heavy machinery at night. Mr. Mellon refused to talk and hired a former state attorney general as his lawyer. Nearly a year later, the matter was resolved quietly: Mr. Mellon agreed to return the stone, and prosecutors agreed not to bring charges.

The episode was a rare glimpse into the private life and the public dealings of Mr. Mellon, 81, a reclusive heir and railroad magnate who has recently turned himself into a political force. He has surprised even political insiders with the size of his contributions this year, throwing $75 million behind Mr. Trump’s attempt to return to the White House and an additional $25 million toward Robert F. Kennedy Jr.’s independent presidential run, making him both candidates’ single largest benefactor.

All told, he has given $227 million in contributions to federal candidates and political committees since 2020, nearly all to Republicans — a sum that puts him in the top echelon of the party’s donors, alongside far better-known megadonors like Miriam Adelson and her husband, Sheldon, who died in 2021, and Liz and Dick Uihlein.

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