It beat Napoleon, baffled Ben Franklin, and sparked AI philosophy debates — all while hiding a human chess master inside a mahogany cabinet.
Wolfgang von Kempelen, a Hungarian inventor, built the Mechanical Turk in 1770 to entertain Empress Maria Theresa of Austria. He initially downplayed the device but was persuaded to demonstrate it publicly — launching an 84-year deception that would fool the world.
The machine appeared to be a genuine chess-playing automaton: a turbaned figure in Ottoman robes seated behind a cabinet filled with visible clockwork gears. In reality, a skilled human chess player was concealed in a secret compartment inside, tracking moves via a magnetic board.
The Turk defeated some of the most famous minds of the era, including Napoleon Bonaparte and Benjamin Franklin. Napoleon reportedly tried cheating three times during his match — moving pieces illegally — before the machine swept his king off the board in frustration.
The cabinet was a masterpiece of misdirection. Before each match, the operator opened its doors to reveal an apparently solid mechanical interior. Hidden sliding panels and a seated posture allowed the concealed player to shift positions while the audience inspected the machine.
After Kempelen's death, the machine passed to showman Johann Nepomuk Mälzel, who brought it on tour to the United States. A succession of chess masters secretly operated the Turk over the decades, including the renowned player William Schlumberger.
The secret was an open rumor in chess circles for years. Edgar Allan Poe even published an essay in 1836 arguing the machine must conceal a human operator — though his mechanical reasoning contained errors, his conclusion was correct.
The Mechanical Turk was destroyed in a fire at the Chinese Museum in Philadelphia in 1854. Three years later, Silas Weir Mitchell — whose father had operated the machine — published the definitive account exposing exactly how the hoax had worked.
The Turk sparked early philosophical debates about whether machines could truly think, making it an unexpected ancestor of modern artificial intelligence. Amazon later named its crowdsourcing platform 'Amazon Mechanical Turk' after the device — capturing the irony of human intelligence disguised as automation.