Hans Ulrich Obrist (b. 1968) is a world-renowned curator and the artistic director of the Serpentine Galleries in London. Alongside his curatorial practice, Obrist has written extensively on and around contemporary art, with a particular interest in the interview format.Christo (Christo Vladimirov Javacheff, 1935–2020) was an American-Bulgarian artist best known for his monumental site-specific public art projects. Studying under the Communist regime during the 1950s at the Sofia National Academy of Art, Christo escaped to the West through Prague, Vienna and Geneva. In 1958 he arrived in Paris where he met Jeanne-Claude (Jeanne-Claude Denat de Guillebon, 1935–2009), who became his wife and lifelong artistic collaborator. In 1964, the artist couple moved to New York where they lived and worked together all their lives.