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Leonardo da Vinci and Optics
International Conference

organized by Francesca Fiorani and Alessandro Nova

Leonardo regarded optics as foundational to painting. Throughout his life, he observed optical phenomena and recorded them in geometrical diagrams, jotted notes, sketches, drawings, and lengthy passages. Relentless was his attempt to transfer his optical observations from one system of representation (geometrical and optical diagrams) to another (painting and drawing), indeed to ground in optics his 'sfumato', chiaroscuro, aerial perspective, reflected colors, and theory of proportions. Leonardo read carefully ancient and medieval optical treatises, hunting them in the libraries of his patrons: Aristotle, Euclid, Ptolemy, Roger Bacon, John Pecham, Witelo, Biagio Pelacani of Parma, and Alhazen. On these authoritative writers, he based his investigation of every possible aspect of medieval optics, from mirrors, shadows, and proportions to the anatomy of the eye, the propagation of light, and the geometry of reflection and refraction. He made or imagined experiments with colored light sources, projective screens and apertures, and investigated optical illusions and errors. He also ventured in philosophical musing on the interaction between sensory data and the intellectual faculties of the 'sensus communis', imagination, and memory, attempting an explanation of the role of the senses in the acquisition of knowledge. Above all, he intended to make optics the basis of artistic training and planned an illustrated book on the topic, which characteristically he never completed.

The conference addresses the fundamental role of optics in Leonardo's thought and art from the point of view of the history of art, science, philosophy, and literature. It examines both Leonardo's theoretical writings on optics and his drawing and painting techniques that had to translate his optical knowledge in visual form. The conference takes advantage of the booming scholarship of the last couple of decades pertaining to Leonardo studies, Renaissance scientific culture, and optics. The modern understanding of Leonardo's optical knowledge and research has increased considerably in conjunction with modern analysis of his painting and drawing techniques as well as of his idiosyncratic form of writing, which combined freely note taking from observation with excerpts from earlier authoritative texts and the recording of imagined experiments. Scientific culture has finally been recognized as part and parcel of Renaissance humanistic culture to such an extent that a new picture of mainstream humanism is actually emerging. As for optics, its prominent role as the experimental science 'par excellance' in medieval and Renaissance Europe has been restored: grounded in Al Haytham's 'De aspectibus', the eleventh-century Arab text on visual perception that was translated into Latin in the early thirteenth century and into Italian about a century later, optics became the discipline uniquely positioned to address the relations between cognition and the senses.

More broadly, by concentrating on Leonardo, whose research was rooted in artistic practice and theoretical writings, and on optics, which was a middle science ('scientia media') between philosophy and mathematics, the conference offers the opportunity for a reconsideration of the relations between theory and practice in the Renaissance, between university and workshop training, the writing of manuals and of scientific treatises, and the role of the senses in cognition and knowledge.


 

Data
26.05.2011 fino a 28.05.2011

Luogo della manifestazione
Kunsthistorisches Institut in Florenz - Max-Planck-Institut
Palazzo Grifoni - Seminarraum
Via dei Servi 51
50122 Firenze

Referente

Christine Klöckner
telefono: +39 055 24911-85
e-mail: kloeckner@khi.fi.it

Programma

http://www.khi.fi.it/ pdf/c20110526.pdf

Ulteriori informazioni

Press Release (PDF)

Pressemitteilung (PDF)

Comunicato stampa (PDF)
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