The material history of wax is a history of disappearance--wax melts, liquefies, evaporates, and undergoes innumerable mutations. Wax is tactile, ambiguous, and mesmerizing , confounding viewers and scholars alike. It can approximate flesh with astonishing realism and has been used to create uncanny human simulacra since ancient times--from phallic amulets offered to heal distressing conditions and life-size votive images crammed inside candlelit...