Here is a link to the Wiki article about Porter. It also has several external links to other materials about him. His famous cut-away drawings of Palomar are among the best ever done. And remember, they were done before the telescope was constructed. He worked from the engineering drawings and blueprints! There is also a photo of an original garden telescope: http://en.wikipedia.org/wiki/Russell_Williams_Porter __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com