Griffith Evans 1835-1935: Veterinarian, Pioneer Parasitologist and Adventurer

The life and career of forgotten Welsh veterinary surgeon, medic and adventurer​ Griffith Evans, who discovered that blood parasites cause disease and met Abraham Lincoln and Ulysses S. Grant.

In 1880, Welsh army veterinary surgeon Griffith Evans made the groundbreaking discovery that blood parasites, then universally considered benign, were pathogenic. This was a crucial milestone in the battle against parasitic diseases in animals and humans, but Evans was spurned by his peers and colleag...