Nichelle Nichols had decided leave the original Star Trek series after the first season. Fed up with racist harassment and limitation, culminating with her learning that studio executives were withholding her fan mail, she submitted her resignation. She withdrew it when Dr. Martin Luther King, Jr. convinced her that her role was too important a cultural breakthrough to leave.
Science is not a boy's game, it's not a girl's game. It's everyone's game. It's about where we are and where we're going. Space travel benefits us here on Earth. And we ain't stopped yet. There's more exploration to come.
All the people in Star Trek will always be known as those characters. And what characters to have attached to your name in life! The show is such a phenomenon all over the world.