The New York TimesBy BRETT SOKOLNOV. 23, 2015Photo: Karla Ferguson, director of the Yeelen Gallery in Miami, with a... moreThe New York TimesBy BRETT SOKOLNOV. 23, 2015Photo: Karla Ferguson, director of the Yeelen Gallery in Miami, with a portrait by her husband, Jerome Soimaud, called “Isis.” Credit Ryan Stone for The New York Times