MarcelForCongress(@Marcel4Congress) 's Twitter Profile Photo

A Black American woman, Evelyn Boyd Granville, developed programs for the world's first mass-produced computer, the IBM 650. Her programs helped NASA successfully launch space flights into orbit     .

A Black American woman, Evelyn Boyd Granville, developed programs for the world's first mass-produced computer, the IBM 650. Her programs helped NASA successfully launch space flights into orbit #BlackHistoryMonth    #blackinventors.
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The Black Wall Street Times(@TheBWSTimes) 's Twitter Profile Photo

'Osbourn Dorsey, born into slavery and freed as an infant, revolutionized our daily lives in 1878 by inventing the doorknob and doorstop at just 16 years old. '
bit.ly/3sSiMAt

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AtlPartyCrasher(@AtlPartyCrasher) 's Twitter Profile Photo

In Honor of Black History Month: (Published February 10, 2021) josephites.org/uncategorized/… via @St. Joseph's Society of the Sacred Heart

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MarcelForCongress(@Marcel4Congress) 's Twitter Profile Photo

Personal computers are basically everywhere nowadays. A Black American man contributed to that possible. Roy Clay Sr. led the team that developed HP's first mini computer and invented technology to track radiation after an explosion .

Personal computers are basically everywhere nowadays. A Black American man contributed to that possible. Roy Clay Sr. led the team that developed HP's first mini computer and invented technology to track radiation after an explosion #BlackHistoryMonth #blackinventors.
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MarcelForCongress(@Marcel4Congress) 's Twitter Profile Photo

Majorie Stewart Joyner invented the permanent hair waving machine that is still in use today. Its use has declined in recent years with Black American women going natural .

Majorie Stewart Joyner invented the permanent hair waving machine that is still in use today. Its use has declined in recent years with Black American women going natural #BlackHistoryMonth #blackinventors.
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