Sheila Widnall (b. 1938) was the US Secretary …

Sheila Widnall (b. 1938) was the US
Secretary of the Air Force between 1993 and 1997. This made her the first woman
to hold this position, and the first to lead an entire branch of the military
in the Department of Defense.

She graduated from MIT and later became
a Professor of Aeoronautics and Astronautics at the same institution. She
became President of the American Association for the Advancement of Science in
1988.