African American women who have had an impact on technology Shirley Ann Jackson played a vital role in advancements in touch-tone phones, portable fax machines, and fiber optic cables that ensure crystal-clear long-distance phone calls, her work contributed to those innovations . Jackson's parents supported her in her curiosity by helping her build things and come up with experiments. The 1950s space race heightened Jackson's interest in science and technology. Because she was underrepresented Shirley Ann Jackson didn't let that deter her she went along to become the first African-America...