The bystander, holding shopping bags, blocked a line of tanks heading into the square, and then climbed onto a tank and started talking to the crew. This happened for a few minutes until two random people ran up and dragged him away before the tank crew could contemplate how they would clean their tank treads of protester.
That man, who briefly stopped the government tanks all by himself and appeared in one of the most iconic photos and pieces of video in world history, was never heard from again.
Of course, no one will say who he is either to protect him or to cover up what may have happened to him. Other mysteries in this Cracked article are just hard to explain. Link -via Digg