A Deadly Fungus
Efforts were made to get to the bottom of the whole situation immediately. Dr. Gabbai, a physician who wrote on the mass poisoning incident, was asked to compare the 1952 poisoning to other studies by Albert Hofmann, a Swiss scientist, and he said that the bread was poisoned with a dangerous kind of artificial ergot. And while this view is one of the most popular explanations for what happened, it is by no means the only plausible explanation
