Coretta Scott King

Sorry to make note of the truth;
But just like Jesse Jackson, and Joseph Lowry, CSK made benefitted immensly, and unjustly from the murder of her husband.
This is a woman, who to create a revenue stream for herself, tried to turn the ML King into a Civil Rights Amusement Park.

A real woman who was actually a proponent and active member of the movement was Betty Shabazz (late wife of Malcolm X). Her activity was not showing her face, but playing a role before meeting Malcolm, during their time together, and after his death up until her untimely death.