Patricia Banks -- One of the first African American flight attendants. She and her fellow AA attendants faced daily racism and hatred from their coworkers, the pilots, their supervisors, and the passengers. She paved the way for others.
A huge number of the "cowboys" driving herds to the railheads in Kansas were Native Americans. And some runaway slaves and ex-slaves were adopted into the tribes in the Oklahoma territory. But western movies don't tell you that.