Hedy Lamarr co-invented a "Secret Communications System" to prevent classified messages from being intercepted by enemy personnel. This "spread spectrum" technology was the precursor used for cellular telephones. Photo from the Prints and Photographs Division, Library of Congress.
“The best judge of whether or not a country is going to develop is how it treats its women. If it’s educating its girls, if women have equal rights, that country is going to move forward. But if women are oppressed and abused and illiterate, then they’re going to fall behind.” ~Barack Obama