The posters are similar to those which earlier this week announced the return of the Gang's arch enemy, Teng Hsiao-ping.

My take on the Gang of Four book is that it said more about the role of interfaces than almost any other book on object-oriented design.

Madame Mao' s 'Gang of Four' saw it as the most dangerous of all Western instruments.

That is truly upholding socialism. Otherwise, we would merely be "preferring socialist weeds to capitalist seedlings", as the Gang of Four wanted.

"Jiang Qing [Mao's wife, and one of the notorious 'gang of four'] criticised me . . . saying I was a fake party member; those sorts of accusations, " she recalls. "I joined at the age of 14.