Dorothy Cotton sits for a photo with other staff members at the Southern Christian Leadership Conference, including the organization’s president, Martin Luther King Jr.

Dorothy Cotton sits for a photo with other staff members at the Southern Christian Leadership Conference, including the organization's president, Martin Luther King Jr.

Dorothy Cotton sits for a photo with other staff members at the Southern Christian Leadership Conference, including the organization’s president, Martin Luther King Jr.

Dorothy Cotton sits for a photo with other staff members at the Southern Christian Leadership Conference, including the organization’s president, Martin Luther King Jr