these questions are the focus of a book by philippe de montebello and art critic martin gaylord.visited some of the worlds important paintings and sculptures to experience art. this is just wonderful because you look at through a look at the, you magic of art and understand it and appreciated more. through this dialogue between the two of you and you do it in such an interesting way. who started this? >> i suppose the idea evolved -- we met and bonded over lunch in a restaurant over the louvre. started and said we would do conversations about what is a museum? then, philippe suggested it would be more fresh to respond to the works as we passed them. >> that is true because i tend to look at museums of containers of works of art. the content has always interested me more than the container. we looked at art and we talked about it. that our idea is reactions, our response to works of art could be translated at least in part into words and conceivably be helpful and useful to the reader. >> did the two of you find there is some basic difference in how you approach this or how you di