It was not odd that an upstate New York farmer would bring a sick Plymouth Rock hen to Peyton Rous at the Rockefeller Institute in 1909, nor that Rous would be interested in the case. Two years ...

In the first half of the 20th century, Peyton Rous and colleagues demonstrated the joint action of tars and Shope papillomavirus to consistently induce squamous cell carcinomas in rabbits.

Early Work in Tumor Biology Led to the Discovery of a Standard Technique: The Transformation Assay As early as 1911, Peyton Rous demonstrated through his studies of tumorous growths in chickens ...