The quirks of five renowned writers, designers and thinkers

There’s surely an adage that says bad habits are difficult to break. Some studies say that it takes a minimum of 21 ­days to adopt a new one. While people talk at length about poor habits (sugary drinks, fatty foods) and good habits (early morning yoga, aç​a​i bowls), rarely do we divulge more personal conventions. Yet those in a creative field often have some intriguing routines.