I came across a chalk drawing of Peter Paul Rubens' in some reference material I have. It was a lovely sketch of his son done in black, red and white chalk. Chalk drawing and it's media are often used to rough out the plans for a major work. They are also used as a note taking devise for future, more elaborate drawings or paintings. But over time they have come to be recognized as works of art in and of themselves. When I was introduced to Conte …