Research of caller ID and call waiting
Caller ID and Call Waiting, Research Led by Shirley Ann Jackson c. 1970
No one likes picking up a call from an unknown number, particularly if you’re already on the phone with someone else. This issue was solved by black inventor and physicist Shirley Ann Jackson. The first black woman to ever earn a doctorate from the Massachusetts Institute of Technology, Jackson led research to develop caller ID and call waiting functions while working at AT&T Bell Laboratories in the 1970s.
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