Crop?image_url=http%3a%2f%2fs3.amazonaws.com%2fproduction.calumet.good.is%2fphotos%2f185284%2foriginal%2fcassagnes-obit-articlelarge

André Cassagnes, Etch A Sketch Inventor, Is Dead at 86

What could you invent by accident?

Continue to nytimes.com