Based on Magritte's own vision of his artistic lineage, Life Line traces the "disturbing poetic effect" of his paintings In 1938, Ren Magritte delivered a lecture entitled "La Ligne de vie" ("The Life Line") in Antwerp--one of the rare occasions in which the artist talked about his work in public. During the hour-long lecture, he illustrated, with the aid of slides, the evolution of his work, and revealed the techniques...