Delmonico's Restaurant (New York City)

Nikola Tesla was a devoted regular at Delmonico's during the 1890s, particularly at its elegant uptown branch at Fifth Avenue and 26th Street (near Madison Square). Contemporary accounts describe him as one of the most recognizable figures there — tall, thin, and serious — often dining daily for breakfast, lunch, or dinner after long hours in his laboratory. He preferred a table near a window and used the stylish restaurant as both a social hub and a place to unwind among New York's elite, intellectuals, and businessmen.

A memorable 1894 anecdote captures Tesla at this location, raising a small wine glass and declaring that the power holding its molecules and atoms together, if released, could run the machinery of the largest factory in the United States — foreshadowing atomic energy concepts. Newspapers frequently noted his presence, and he was interviewed there by journalist Arthur Brisbane, who called him “almost the tallest, almost the thinnest and certainly the most serious man who goes to Delmonico’s regularly.”

The current Delmonico’s at the landmark 56 Beaver Street in Manhattan’s Financial District is not the same physical location Tesla frequented (that uptown branch closed in 1899). However, this historic site refers to the same iconic restaurant brand and legacy. Today, it honors Tesla’s patronage with a private dining room called Tesla’s Quarters, featuring a cozy fireplace and lounge, allowing modern visitors a direct connection to the inventor’s favorite dining spot from his New York years.