Yves Klein
DANESE/COREY
Yves Klein’s legendary Leap into the Void—a 1960 photomontage of the artist jumping off the ledge of a Paris building—has colored our perception of him no less than has his signature International Klein Blue. For Klein the void below that ledge opened onto what he called the “indéfinissable,” an ineffable, mythic state that transcended any fixed notion of time and space. The concept, however, did not exclude the constraints of the world: the artist’s act, defiant and dramatic as it was, resulted in an actual, albeit minor injury—a sprained ankle. Thus Klein’s leap invoked the notion of an