Émile Pierre-Marie van Ermengem (1851–1932) was a Belgian bacteriologist who, in 1895, isolated Clostridium botulinum, the bacterium that causes botulism, from a piece of ham that had poisoned thirty-four people.
[2] His sons were the writer Franz Hellens and the art critic François Maret.
Novak, John S., Peck, Micheal W.; Juneja, Vijay K.; Johnson, Eric A.
In Fratamico, Pina M.; Bhunia, Arun K. & Smith, James L.
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