He has 21 Michelin stars, 23 restaurants, and a contract with the European Space Agency to develop food for flights to Mars, not to mention a new book out this month, Nature: Simple, Healthy, and Good, for the portion of his fans interested in earthly pleasures. Among chefs, there are few who can compete with Alain Ducasse&#39;s 40-year-and-counting career. Among human beings, you&#39;d be hard-pressed to find many who could claim to live as well. Splitting time between homes in Monaco and southern France and restaurants in seven countries, Ducasse has collected and refined a healthy list of necessities. Here, he shares his favorites.