In a previous Art History class essay we were asked “What is the difference between art and design and do they merge together” At the beginning of that essay I put the following proposition. “I wonder how Leonardo da Vinci would have addressed these questions”. I made this observation because I had previously written about da Vinci for another purpose and given his competence in these areas, I thought it appropriate.
Source: Leonardo da Vinci, 1452-1519. An Essay – » The Australian Independent Media Network
SUSAN'S SPACE 
An interesting article.