Charles Wardell Stiles

Charles Wardell Stiles (May 15, 1867 – January 24, 1941)[1] was an American parasitologist born in Spring Valley, New York.

He was notable for working on a campaign against hookworm infestation in the American South, where it had been found to cause high rates of anemia, a debilitating disease.

In 1898, Stiles was deployed to Germany as scientific ambassador on the BAI's behalf to investigate reports of trichinosis in American pork.

The investigation concluded that the contemporary standard of microscopic examination of pork was insufficient for preventing the disease.

While working at the Department of Agriculture, he identified a new species of hookworm called Necator americanus ("American murderer") from samples brought from Puerto Rico by his former student, Bailey Ashford.