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
The Leonardo da Vinci Society for the Study of Thinking his work in the field of creative thinking and in the direct teaching of thinking as a skill. Award recipients include: The Leonardo da Vinci Society for the Study of Thinking The Leonardo da Vinci Society for the Study of Thinking was founded in 2005 to promote excellence in thinking and the teaching of thinking skills. The Society was conceived by Dominic Pistillo, founder and former President of the University of Advancing Technology (UAT) in Tempe, Arizona. The da Vinci Society is a not-for-profit foundation. The goal of the Society is to help create a better tomorrow by fostering better