Ella Baker was an SNCC (Student Nonviolent Coordinating Committee) activist who worked to advance civil rights in the United States during the 1950s and 1960s. She was a key figure in the formation of the SNCC and was instrumental in organizing the 1963 March on Washington. Baker was also a leader in the Southern Christian Leadership Conference, working alongside Martin Luther King Jr. to promote non-violent protest and civil disobedience. Baker was a tireless advocate for social justice and civil rights, and her legacy continues to inspire activists today.