Five images by Harold Edgerton, who invented the electric flash and was a pioneer in the field of stroboscopic photography. 1. Harold Edgerton, Fanning the Cards (1940), Candace Perich Gallery, Card for the Group Exhibition “Seeing The Unseen,” 1997 2. Harold Edgerton, Seeing The Unseen, Card, Vision Gallery of Photography, 1977 3. Harold Edgerton, Milk Drop Coronet (1936), Laurence Miller Gallery, Card, 1991 4. Harold Edgerton, “Apple and Bullet” (1979), Card, Daniel Wolf Gallery…