Extras

Trailer | The Poison Squad | American Experience
'The Poison Squad' tells the story of government chemist Dr. Harvey Wiley.
Trailer | The Poison Squad | American Experience

Harvey Wiley recruited volunteers to test the effects of chemical preservatives in food.
The Poison Squad

Dr. Harvey Wiley: Father of Pure Food
During his time at the USDA, Dr. Harvey Wiley grew concerned about food safety and purity.