Sheila Widnall

Sheila Widnall
18th United States Secretary of the Air Force
In office
August 6, 1993 – October 31, 1997
PresidentBill Clinton
Preceded byDonald Rice
Succeeded byF. Whitten Peters
Personal details
BornSheila Marie Evans
(1938-07-13) July 13, 1938
PartyDemocratic
SpouseWilliam Widnall
Children2
EducationMassachusetts Institute of Technology (SB, SM, ScD)
Known forWidnall Instability
Engineering career
DisciplineAeronautical engineering
EmployerMIT
AwardsSociety of Women Engineers Achievement Award, National Women's Hall of Fame, Women in Aviation Pioneer Hall of Fame, National Academy of Engineering

Sheila Marie Evans Widnall (born July 13, 1938) is an American aerospace researcher and Institute Professor Emerita at the Massachusetts Institute of Technology (MIT). She served as the United States Secretary of the Air Force from 1993 to 1997, becoming the first woman to hold that post and the first woman to lead an entire branch of the United States Armed Forces in the Department of Defense. She was elected to the National Academy of Engineering and the American Academy of Arts and Sciences and inducted into the National Women's Hall of Fame.