en:Phil Zimmermann, creator of en:PGP. * Source: [1] * License: Author agreed to license image under GFDL after email exchange with en:User:Matt Crypto. * Other permission: "These higher resolution photos may be downloaded by the press for use in publications or for use in speaker/conference event materials."
This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: Cropped and added some left space.. The original can be viewed here: PRZ closeup.jpg: . Modifications made by Beao.
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This image is a derivative work of the following images:
{{Information |Description=en:Phil Zimmermann, creator of en:PGP. * Source: [http://www.mit.edu/~prz/EN/photos/index.html] * License: Author agreed to license image under GFDL after email exchange with en:User:Matt Crypto. * Other permissi