As a 15 year old girl in March of 1955, she was arrested for refusing to give up her seat to a white woman on a segregated bus. Her arrest pre-dated Rosa Parks' arrest by several months.
Ernest Green talks about his experience as one of the first students to integrate the schools in Little Rock Arkansas (the group typically known as the Little Rock Nine).
John Lewis was dedicated to activism and public service his entire life. He was one of the original Freedom Riders and after that experience went on to become a long-term representative of his home state of Georgia, serving as their representative from 1987 to his death in 2020. In the video below, he talks about his experiences and philosophy of activism.