1950 E. Wynder, E. Graham, and Sir R. Doll confirm cigarette smoking-cancer link.
1952 DNA found to be genetic material in some viruses.
1953 FDA approves methotrexate as anticancer drug.
1953 J. Watson and F. Crick discover the structure of DNA.
1955 National Chemotherapy Program begins.
Decorative Image: R. Hertz and M. Chiu Li achieve total cure of a human solid tumor, choriocarcinoma in 1955.
1950-1959 NCI appropriations $330 million!