The prominent figure behind the civil rights organization SNCC (Student Nonviolent Coordinating Committee) was John Lewis. As one of the founding members, Lewis played a crucial role in advocating for civil rights and organizing nonviolent protests during the 1960s. He was instrumental in the push for voting rights and participated in significant events like the March on Washington and the Selma to Montgomery marches. Lewis's lifelong commitment to social justice and his work in Congress highlighted the importance of civic engagement and activism in the pursuit of equality.