Kenneth RosenKen 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 than 29 ears' experience working on computing and network projects.Rachel Klee is a computer science teacher and UNIX expert. James Farber is a member of the technical staff at Avaya and formerly worked at AT&T and Bell Labs.Richard Rosinski is vice president of professional services at VoiceGenie Technologies and worked at AT&T and Bell Labs for 18 years. Read More Read Less
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