The Swiss architect Charles-Édouard Jeanneret—who reinvented himself as Le Corbusier in the early 1920s—maintained a rigid schedule throughout his professional life, yet it was hardly a punishing one. After waking at 6:00 A.M., he did forty-five minutes of calisthenics. Then he served his wife her morning coffee and, at 8:00, the couple ate breakfast together. The rest of Corbusier’s morning was devoted to painting, drawing, and writing. This was the most creative part of his day,
