Sally K. Ride

It is quite obvious that women play a key role in the expansion of scientific knowledge.  One woman that did a very good job in this is Sally K. Ride.  Sally was an astronaut and astrophysicist.  She became an astronaut in 1979 where she helped work on the robotic arm.  She is most well known for being the first woman in space.  After her work at NASA she was a professor of physics.  Sally Ride is very obviously proof that women are help the ethe expansion of scientif knowledge.