Leon Trotsky. Now you see him. Now you don't. After he ran afoul of the Communist Party, Trotsky was eliminated from photos where he mingled with other officials. In other manipulated photos, the Soviets painted in the gaps for added realism.
May 5, 2011 11:57 AM PDT
Photo by: Hany Farid, Dartmouth College
| Caption by: CNET News staff
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