Feb 27th - Dr. Shirley Ann Jackson
Her scientific research enabled others to invent the portable fax, touch tone telephone, solar cells, fiber optic cables, and the technology behind caller ID and call waiting. #Legend ![](https://cdn.shopify.com/s/files/1/0291/1472/8508/files/IMG-0536_480x480.jpg?v=1645988780)
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#BlackHistory #BlackHerstory #DrShirleyAnnJackson #Science #Research #Legend #Innovator #Inventor #WomenRock