Psychpanalyst and writer, Claude Delay (born 22 December 1934 in Neuilly-sur-Seine, is also the author of several biographies of Coco Chanel, the Russian poet Marina Tsvetaeva and the brothers Alberto and Diego Giacometti. The granddaughter of the surgeon and politician Maurice Delay, she is the daughter of professor Jean Delay and the sister of the novelist Florence Delay of the Académie française