Christo et Jeanne-Claude, is the artist name under which the joint work of Christo Vladimiroff Javacheff, born June 13, 1935 in Gabrovo, Bulgaria, and died May 31, 2020 (aged 84) in New York1,2, and Jeanne-Claude Denat de Guillebon, born (on the same day) June 13, 1935 in Casablanca, Morocco, and died November 18, 2009 (aged 74) in New York3, is identified. This contemporary artist couple became famous both for the gigantic scale of their creations and for their ephemeral nature.