Joseph Cornell (Nyack, 1903 - New York, 1972) The Uncertainty Principle I, Mathematics and Music (Double Portrait of Henriette Sontag), 1966 Collage and print on vinyl Signed and titled in ink on the back "Joseph Cornell" and "The Uncertainty Principle". On the back is a label printed and glued by the artist with the inscription "Mathematics and Music". 21 x 28 cm 34 x 42 cm (original frame by the artist) Provenance : - Robert Schoelkopf Gallery, New York (1967), acquired directly from the artist - B.C. Holland Gallery, Chicago - Geneviève and Jean-Paul Kahn Collection, Paris Exhibitions : - Paris, Grand Palais, "La femme corps et âme, 97ème exposition société des artistes indépendants", Société des Artistes Indépendants, 5 - 27 April 1986 - Milan, Palazzo Reale, "I Surrealisti", 7 June - 10 September 1989, reproduced in the catalogue p. 428 (incorrect bibliography) - Frankfurt, Kunsthalle Frankfurt "Die Surrealisten", 8 December 1989 - 18 February 1990, reproduced in the catalogue p. 249 (incorrect bibliography) We would like to thank Dr Katharine Conely and the Joseph Cornell Study Center at the Smithsonian American Art Museum for their kind contribution.