There is a profile on Serge Lutens, including a brief interview, on the osmoz site:
The raw ingredients are alive, they move around and create surprises. You have to be ready to guide the fragrance in an unconscious way.
And in other news, the latest smell research results:
Canadian researchers have determined that most people's noses appear to pick up scents better when they are sitting or standing compared to when they're reclining.
Yahoo News link expired, sorry!)