The 3 Most Important Veterinarians in History

Pet vaccinations

Veterinary services are those that diagnose and treat sick, wounded, or otherwise ailing animals, usually pets. People love their pets in the United States and are willing to pay top dollar for all sorts of pet care from puppy vaccinations to urgent care procedures. There are approximately 70 to 80 million dogs and 74 to 96 million cats owned in America, according to The American Society for the Prevention of Cruelty to Animals (ASPCA).

About 47% of households in the U.S. own dogs while 37% have cats. In honor of the 66% of respondents in one survey that named their pet as their best friend, here are three of the most important and influential veterinarians in the history of the world and some of their