Sources and acknowledgments
In addition to the people named in the text, the author would like to thank Justin Bronk, Kevin Copsey, Keith Dear, Michael C. Horowitz, Michael Kofman, Thomas Mahnken, Todd Master, Phil Muir, Rob Magowan, Nick Moran, Ruslan Pukhov, Henning Robach, Jack Shanahan, Ed Stringer, Phil Weir, Jerry Welsh and others who would prefer to remain anonymous.
This article appeared in the Technology Quarterly section of the print edition under the headline “Sources and acknowledgments”