1940 First issue of the Journal of the National Cancer Institute is published.Decorative Image: NCI’s First Scientific Staff. Source: Life Magazine, June 17, 1940.
1943 Pap smear is introduced into medical practice.
1944 DNA found by O. Avery, C. MacLeod, and M. McCarty to be the basic genetic material.
1940-1949 NCI appropriations $42 million!