On 17 August 1951, the French village of Pont-Saint-Esprit (Gard) descended into madness: delirium, hallucinations, seizures — five deaths, around 300 sick, some sixty committed to psychiatric hospitals. The mass poisoning is a documented fact. Its cause, however, has never been settled — and the most spectacular explanation, the CIA, is also the least supported.
Overnight, residents who had eaten bread from the same bakery developed severe symptoms: visual hallucinations, agitation, burning sensations, and several deaths. The event is real, documented at the time by the press, medicine and the courts. The "cursed bread" is what the victims had in common.
The first official explanation was ergotism: poisoning by ergot of rye (Claviceps purpurea), a parasitic fungus of cereals that produces alkaloids close to LSD, responsible in the Middle Ages for "St. Anthony's fire." The problem: this scourge had all but disappeared from France since the 18th century, and analyses of flour, water and food found no trace of the fungus. Ergotism remains the most cited hypothesis — but it is contested.
Other chemical leads were proposed: a mercury-based fungicide, or nitrogen trichloride ("agene," a flour-bleaching agent then in use). None was formally proven. The exact cause was never established with certainty.
In 2009, American journalist Hank Albarelli published "A Terrible Mistake": according to him, the residents were victims of a secret CIA and U.S. Army experiment — an aerial spraying of LSD. He relies on a declassified document said to mention Frank Olson, a chemist linked to the MK-Ultra program, in connection with Pont-Saint-Esprit in 1951.
Pont-Saint-Esprit is the perfect case where a real fact — the poisoning — and a neighboring real fact — MK-Ultra — are welded into a conclusion the evidence does not support. The honest truth: a tragedy whose cause remains uncertain, onto which a spectacular hypothesis was grafted, without ever being demonstrated.
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