The inimitable style of renowned French interior designer Madeleine Castaing, chronicled in-depth for the first time. While many were drumming to the beat of modernism in the early- and mid-twentieth century, French antiquaire and decorator Madeleine Castaing created her own look that was a unique blend of neoclassicism, Proustian romanticism, and pure wit. Her distinctive aesthetic vision has inspired tastemakers on both sides of the Atlantic, and her devotees—both then and now—are legion.