click image for close-up All that is known of Yarrow Mamout, an enslaved African who died a free man at a very old age, comes from the diary of the man who painted his striking portrait.

Portraits of the CCH Pounder-Koné Collection.” In the piece, Black Rooster, a young girl, dressed in all white, cradles a rooster, a symbol of power in African art. She’s next to a boy in ...