Frances Luella Welsing (née Cress; March 18, 1935 – January 2, 2016) was an American psychiatrist and well-known proponent of the Black supremacist melanin theory. Her 1970 essay, The Cress Theory of Color-Confrontation and Racism (White Supremacy), offered her interpretation of what she described as the origins of white supremacy culture. She was the author of The Isis Papers: The Keys to the Colors (1991).