Speculations about Mona Lisa he had had no access to the actual painting, said that after "every laboratory test possible" in 2004 and 2009 that "no inscriptions, letters or numbers, were discovered during the tests." and that "The ageing of the painting on wood has caused a great number of cracks to appear in the paint, which have caused a number of shapes to appear that have often been subject to over-interpretation". Speculations about Mona Lisa The 16th-century portrait Mona Lisa, or "La Gioconda" ("La Joconde"), painted in oil on a poplar panel by Leonardo da Vinci, has been the subject of a considerable
Isleworth Mona Lisa Louvre painting. For these reasons, several people Pulitzer consulted believed that the hands and face of the portrait were done by Leonardo, but the rest may have been finished by another or others. During the first part of the 20th century, a number of experts supported the attribution of the most significant sections of the "Isleworth Mona Lisa" to Leonardo da Vinci: Hugh Blaker, Paul Konody, John Eyre, Commendatore Cecconi, Dr. Arduino Colasanti, Ludovico Spiridon, Enrico San Martino di Valperga, Adolfo Venturi, A.C. Chappelow, and Henry Pulitzer. The authenticity of the "Isleworth Mona Lisa" is disputed by a minority of