Career
He is a senior writer and regular columnist for the magazine American Scientist, and was editor in chief for the magazine from 1990 to 1992. He has also edited and written columns for Scientific American, as well as writing for Computer Language and The Sciences. He is the author of two books:
Infrastructure: A Field Guide to the Industrial Landscape (West West Norton, 2005.
Revised and updated edition: World War Norton, 2014, ).
Group Theory in the Bedroom, and Other Mathematical Diversions (Hill and Wang, 2008. Macmillan, 2009, ).
