March BYTE has an article on the Plan 9 OS, by Paul Fillinich,
a marketing manager at AT&T, pp. 143-44.
He credits "researchers Rob Pike, Dave Presotto, Ken Thompson,
Howard Trickey, and Phil Winterbottom, with support from Dennis
Ritchie."
Plan 9 resources cited:
Anonymous FTP: plan9.att.com
University of Toronto site:
http://www.ecf.toronto.edu/plan9
For those without BYTE access: PLN_9os