Theodore Roosevelt was a great driving force during the Progressive Era and pushed for many of the progressive goals.
Author of The Jungle, Upton Sinclair's book influenced President Roosevelt to pass the Meat Inspection Act.
Dr. Harvey Washington Wiley
Expanded on the Meat Inspection Act by Criticizing manufacturers for adding harmful preservatives to food, leading to the Pure Food and Drug Act.
Persuaded Roosevelt to set aside 148 million acres of forest reserves.
A professional conservationist, named head of the U.S. Forest Service.
W.E.B. Du Bois
Wanted equality for African Americans and founded the NAACP