This document summarizes several key civil rights organizations and leaders in the 1950s-1960s Civil Rights Movement in the United States. It discusses the NAACP led by W.E.B. Du Bois which focused on legal challenges to racial discrimination. It also discusses the National Urban League, CORE, SCLC led by Martin Luther King Jr., and SNCC led by figures like Ella Baker and Robert Moses, outlining their founding, goals, strategies and prominent leaders. The document provides context on important early civil rights events and figures like Emmett Till that helped spark the movement.