John McFadyean

Sir John McFadyean was a pioneering British veterinarian and bacteriologist in the late 19th and early 20th centuries. He contributed significantly to the understanding of animal diseases and improved veterinary practices, particularly in dairy farming. McFadyean helped develop early diagnostic methods, promoted milk cleanliness, and emphasized the importance of hygiene in preventing disease transmission. His work laid the foundation for modern veterinary medicine and public health, influencing policies to ensure safer, healthier livestock and dairy products.