Ralph Abernathy — American Activist born on March 11, 1926, died on April 17, 1990

Ralph David Abernathy, Sr. was a leader of the African-American Civil Rights Movement, a minister, and Martin Luther King Jr.'s closest friend. In 1955, he collaborated with King to create the Montgomery Improvement Association, which would lead to the Montgomery Bus Boycott. In 1957, Abernathy co-founded, and was an executive board member of the Southern Christian Leadership Conference. Following the assassination of King, Abernathy became president of the SCLC. As president of the SCLC, he led the Poor People's Campaign March on Washington, D.C. in 1968. Abernathy also served as an advisory committee member of the Congress on Racial Equality. He later returned to the ministry, and in 1989 — the year before his death — Abernathy wrote a controversial autobiography about his and King's involvement in the civil rights movement. The title of his publication is "And the Walls Came Tumbling Down: An Autobiography" and is still available... (wikipedia)