Replete with sumptuous portraits by Rembrandt, Bronzino, Van Dyck, and other notable Old Master paintings, The Frick Collection was one of Barkley L. Hendricks’ favorite museums. This fall, more than a dozen works by the pioneering American artist enter its temporary Madison Avenue home to elucidate how he revolutionized contemporary portraiture by depicting Black figures with traditions of European painting. He often set his figures against a monochromatic expanse of color—here, his “limited palette” paintings render his figures’ brown skin tones in dazzling clarity while making them feel approachable and human.