D.W. Griffith was an influential early American film director who helped develop cinematic techniques like close-ups, parallel editing, and the use of camera movement. His 1915 film Birth of a Nation promoted racist ideas about Reconstruction and the role of the Ku Klux Klan. Oscar Micheaux was a pioneering African American filmmaker who produced over 40 race films between 1919-1950, including Within Our Gates which directly responded to and critiqued the racist narrative of Birth of a Nation.