Stafford Leak Warren was the director of the Atomic Energy Project at the University of Rochester and worked on the Manhattan Project. After the war, Warren came to UCLA to serve as Dean of the School of Medicine and as Vice-Chancellor of the Health Sciences. The collection consists of Warren's professional papers, documenting every major phase of his career. The bulk of the papers cover 1940 onward, including Warren's participation in the Manhattan Project and Operation Crossroads, and his subsequent involvement concerning issues and work with atomic bomb development and radiation effects.

Stafford Leak Warren was born on June 19, 1896 in Maxwell City, New Mexico. In 1918, Warren earned his Bachelor of Arts degree from University of California at Berkeley. Then in 1922, Warren received his Master of Arts in Research Medicine and simultaneously obtained his Doctors of Medicine degree from the University of California, San Francisco Medical School. From 1922-1925, Warren completed his post-doctoral work at both Johns Hopkins University and Harvard University. Then in 1926, Warren became an Assistant Professor in the Department of Radiology at the University of Rochester. Subsequently, Warren became an Associate Professor of Medicine in 1930 and remained at the University of Rochester until 1943. During his residence at the University of Rochester, Warren performed groundbreaking research on radiology and its ability to track cancer in breasts. Through his research he developed a stereoscopic technique used to detect breast cancer in women which eventually led to the invention of the mammogram.

148.0 linear feet (281 boxes, 8 cartons, 26 oversize boxes, and 1 oversize folder)

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