Iowa
This Iowa County Was Just Renamed After The First Black Woman To Earn A Ph.D. In The State 
Jul 9, 2021.
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This county in Iowa just received the ultimate name upgrade! Johnson County, Iowa will still operate as Johnson County but will take its name from another Johnson — the first Black woman to earn a Ph.D. in the state. According to NPR, Lulu Merle Johnson was a professor and historian born in 1907...
Jul 9, 2021.