If you look at photos of important events of the Chinese Communist Party in the past 20 years, you can often see an inconspicuous man with a serious expression and thin glasses in the background: Wang Huning. The former Shanghai politics professor is surrounded by an aura of mystery. He has been instrumental in formulating the policy of three general secretaries for more than two decades now, and yet he is mostly out of the public eye. He is currently listed as number four in the party hierarchy. Who is this man who is probably something of the most powerful intellectual in the world right now?