Category:Jon Callas
American computer security expert  | |||||
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| Date of birth | 20th century | ||||
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Media in category "Jon Callas"
The following 3 files are in this category, out of 3 total.
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Jon Callas.jpg 3,776 × 2,520; 3.23 MB
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Kiwicon 6 - Jon Callas (cropped).jpg 1,003 × 1,349; 355 KB
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Kiwicon 6 - Jon Callas and Nicko van Someren.jpg 2,249 × 1,499; 845 KB
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