"Twice a week, Dr. Alain Empain drives his car away from his solar-paneled home in the Belgian countryside, then parks and boards a train that an hour and 10 minutes later will take him to a bus, which half an hour later will take him a small village called Meise and to his job as a botanist with Belgium's National Botanic Garden, where since the early 1990s he has been a persistent pioneer of open source software."