Jackson, the first African American woman to earn a doctorate at MIT, is responsible for monumental telecommunications research that led to the invention of products such as the touch-tone phone, portable fax, fiber optic cables, and caller ID.
Jackson, the first African American woman to earn a doctorate at MIT, is responsible for monumental telecommunications research that led to the invention of products such as the touch-tone phone, portable fax, fiber optic cables, and caller ID.