1. During an Atlanta church service in April 1964, photographer Flip Schulke captured this image of an impassioned Martin Luther King Jr. speaking to the congregation. Photos by Flip Schulke
2. In June 1966, King and wife Coretta lead the "March Against Fear" through Mississippi.
3. King plays baseball with son Marty at their home in Atlanta.
4. Martin Luther King Jr. caught by Schulke during a private moment.
5. Thanks to King's efforts to register voters, blacks line up in April 1966 to cast ballots in Greene County, Ala.
6. Children in Montgomery, Ala., protest the Supreme Court's order to desegregate public schools.
7. During the March on Washington in 1963, protesters for integrated schools gather in the Mall, where King gave his "I Have a Dream" speech.
8. In one of Schulke's most famous photos, Coretta Scott King mourns during the memorial service for her husband in 1968.