AS Gustav Papanek walked towards his guests at the executive lounge of a five-star hotel in Jakarta last March, he looked far from one's impression of what a world-famous economist should be. He wore an ordinary, working man's batik shirt, his body bent over from age and he carried a simple black briefcase. Although his shock of white hair and wrinkled face attested to his 87 years of age, not so his mind, which remained sharp as a whip. Gus, as he