Francis Peyton Rous  was an American Nobel Prize-winning virologist. He was born on October 5, 1879 in Baltimore, Maryland. Rous was educated at Johns Hopkins University, Baltimore, and at the University of Michigan. He joined the Rockefeller Institute for Medical Research in New York City in 1909 . In 1965, he received the National Medal Of Science. Aside from cancer research, Rous did investigations of liver and gallbladder physiology, and he worked on the development of blood-preserving techniques that made the first blood banks possible. He died on February 16, 1970 (aged 90) in New York City.