Martin Luther King, Jr. at the Civil Rights Act signing

Martin Luther King, Jr. stands at center, directly behind President Lyndon Johnson, as Johnson signs the Civil Rights Act of 1964. This photo was taken in the East Room of the White House on July 2, 1964.

The photo, by White House photographer Cecil Stoughton, is now in the collection of the Lyndon B. Johnson Library and Museum. (Photo serial number: 276-10-WH64)