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William Wirjaatmadja Wongso (born 12 April 1947) is a culinary expert from Indonesia, specializing in Asian and European cuisine. He is the son of Soewadi Wongso (Wong See Hwa). Wongso initially did not receive formal culinary training, but learned from sidewalk food vendors and eventually trained in pastry and baking with chefs at hotels in Indonesia. Wongso intended originally to follow the in footsteps of his father and pursue a career in film and photography, but his father's hobby of cooking inspired his passion for the culinary arts.