Dale is an amazing person. Dale has made several such geometric sculptures as well as written many mathematical book on geometry. See: Dale Seymour Publications)

There was at one time a TV show call "Extreme Homes". Dale's house was featured in one episode.

Dale has done more in one lifetime then I could in five.(no comments Spragg!!)

Here is a short, and very limited, bio on Dale:

http://www.nctm.org/resources/content.aspx?id=2886