They Sold Milk Laced with Poison and Called It 'God's Will' — Harvey Wiley, the Lone Chemist Who Saved America's Food Supply
In the late 19th century, American dinner tables were home to formaldehyde-laced milk, vegetables dyed with copper, and cocaine-spiked syrups sold openly without shame. One stubborn chemist used his own body as a test subject to put an end to the lies.
May 11, 2026