(BBC News) Joshua Wong makes an unlikely looking revolutionary leader. A year too young to vote, the slight teenager with rectangular glasses and a bowl haircut looks like any other student.
But the Hong Kong and Beijing governments would be unwise to dismiss him on the grounds of age.
A founder of student protest group Scholarism, Mr Wong is no stranger to protests. In 2012 he rallied more than 100,000 people to protest against Hong Kong's plans to implement mandatory "patriotic education" in schools.
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Faced with the sheer size of the crowds, a few of whom went on hunger strike, Chief Executive CY Leung was forced to abandon the idea. It was his first run-in with Mr Wong, who is now rallying crowds for a greater aim - universal suffrage.