Selected Milestones in Virology Discovery Year Scientist Nobel prize Smallpox vaccine 1798 Edward Jenner Rabies vaccine 1885 Louis Pasteur Viruses are filtrable Tobacco mosaic virus 1892 Dimitrii Ivanovski 1898 Martinus beijerinck Rous sarcoma virus 1911 Peyton rous Bacteriophages and the 1915 Frederick Twort plaque assay 1917 Felix d Herelle Crystallization of tobacco 1935 Wendell Stanley and John Northrup 1946 mosaic virus Bacteriophage genes are 1952 Alfred Hershey and Martha Chase 1969 DNA Discovery of interferons 1957 Alick Isaacs and Jean LindenmannSelected Milestones in Virology Discovery Year Scientist Nobel prize Smallpox vaccine 1798 Edward Jenner Rabies vaccine Rabies vaccine 1885 Louis Pasteur Louis Pasteur Viruses are filtrable Tobacco mosaic virus 1892 1898 Dimitrii Ivanovski Martinus Beijerinck Martinus Beijerinck Rous Sarcoma virus 1911 Peyton Rous 1966 Bacteriophages and the 1915 Frederick Twort plaque assay 1917 Felix d’Herelle Crystallization of tobacco mosaic virus 1935 Wendell Stanley and John Northrup 1946 mosaic virus Bacteriophage genes are DNA 1952 Alfred Hershey and Martha Chase 1969 Di f i f Discovery o f inter ferons 1957 Ali kc k I d J Li d Isaacs an d Jean Li n denmann