David Crist is currently a historian for the federal government. As a colonel in the U.S. Marine Corps Reserve, he served in the first gulf war and made two tours with elite special operations forces in Afghanistan and Iraq. He lives in Maryland.
Prabir Purkayastha is an engineer and a science activist in the power, telecom and software sectors. He is a founding member of the Delhi Science Forum. He is the author of Knowledge as Commons: To
