From humble beginnings in Austria where he was slammed as “good for nothing” by one of his first mentors, Wolfgang Puck has risen to become one of the world’s most famous celebrity chefs. During his career, he has served the likes of Michael Jackson, Madonna and Sean Penn. He sat down with the South China Morning Post to discuss his rags-to-riches story, as well as his love of the Hong Kong food scene that helped convince him to open a new signature restaurant at the city’s international…