March 13, 1914: Death of John L. Leal — This Day in Water History

March 13, 1914: Death (in Paterson, NJ) of John L. Leal, physician and water treatment expert who pioneered chlorine disinfection in the U.S. There are many unsung heroes who contributed significantly to public health at the turn of the 20thcentury. John L. Leal is one of them and after reading this, I think you will […]

via March 13, 1914: Death of John L. Leal — This Day in Water History

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