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Ken Rosen is a distinguished author of textbooks in computer science and mathematics with more than 22 years of experience working at AT&T and Bell Labs.
Douglas Host worked at AT&T and Bell Labs and has more tha
Douglas Host (South River, NJ) worked at AT& T and Bell Labs. He received masters degrees in both computer science and library science at Rutgers University.
Rachel Klee (Kirkland, WA) is a computer science teacher and UNIX expert.
Richard R. Rosinski (Middletown, NJ) is vice president of professional services at VoiceGenie Technologies and worked at AT & T and Bell Labs. He received his Ph.D. from Cornell University.