For centuries an artist adept in one medium has found solace, encouragement, and inspiration in another, even to the point of merging them. Michelangelo put down his chisel to pick up his pen; Blake pictorialized his poetry; Max Ernst collaged narratives; Gertrude Stein adopted a cubist style. This bicameral interplay of the verbal and pictorial has never been more pronounced than in our own time. The Dual Muse explores a range of creative interrelationships...