In endless odes to the female form, Amedeo Modigliani (1884-1920) traced elongated bodies, almond eyes, and his own name into art history. His languid female subjects are as instantly recognizable as they are startling, sensual, and swan-necked. Modigliani's unique figuration corresponded to his own personal idea of beauty, but drew upon a rich variety of visual influences, including contemporary Cubism, African carvings, Cambodian sculptures, and...