What kind of license did the woman who worked with William J. Powell as a civil rights activist have?
William J. Powell: William Jenifer Powell (July 27, 1897 – July 12, 1942) was an American engineer, soldier, civil aviator and author who is credited with promoting aviation among the African American community. William J. Powell:  Along with Bessie Coleman and James Banning, he is recognized as a pioneer aviator and a civil rights activist.
i don't know