(NYT27) PALO ALTO, Calif. -- May 21, 2006 -- INTERNET-PRIVACY -- Philip R. Zimmermann is pictured in Palo Alto, Calif., on April 24, 2006. Zimmermann created a program to encrypt e-mail. His Zfone will do the same for Internet calls. (Peter DaSilva/The Ne
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PETER DASILVA, (NYT27) PALO ALTO, Calif. -- May 21, 2006 -- INTERNET-PRIVACY -- Philip R. Zimmermann is pictured in Palo Alto, Calif., on April 24, 2006. Zimmermann created a program to encrypt e-mail. His Zfone will do the same for Internet calls. (Peter DaSilva/The Ne (05/21/2006), [433524279] . Denver Public Library Digital Collections, accessed 07/10/2026, https://digital.denverlibrary.org/nodes/view/946177



