* Jean-Baptiste Boussingault (1802-1887): A French chemist and agriculturalist who made early observations on the use of X-rays for examining animal tissues.
* Wilhelm Conrad Röntgen (1845-1923): The German physicist who discovered X-rays in 1895, laying the foundation for the entire field of radiology.
* Walter B. Cannon (1871-1945): An American physiologist who used X-rays to study the digestive system of animals, making significant contributions to veterinary medicine.
* James Ewing (1866-1943): An American pathologist who studied the use of X-rays in diagnosing bone diseases in animals, contributing to the development of veterinary diagnostic imaging.
These are just a few of the many individuals who played a crucial role in the advancement of veterinary radiology. The field continues to evolve with technological advancements and ongoing research.