THE POISON SQUAD: One Chemist's Single-Minded Crusade for Food Safety at the Turn of the Twentieth Century

In 1883, Dr. Harvey Washington Wiley, a chemistry professor from Purdue University, was named chief chemist of the U.S. Department of Agriculture, and the agency began methodically investigating food and drink fraud, even conducting shocking human tests on groups of young men who came to be known as the Poison Squad. In 1906 the Pure Food and Drug Act was finally passed. 16 pages of photos.