John Warnock, inventor of the PDF and co-founder of Adobe Systems, dies aged 82
Other programmes, such as Adobe Illustrator and Photoshop, followed before Mr Warnock stepped down as CEO in 2000.
Source: readingchronicle.co.uk
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John Warnock, who helped invent the PDF and co-founded Adobe Systems, dies at age 82 | iNFOnews
SALT LAKE CITY (AP) — John Warnock, who helped invent the PDF and co-founded Adobe Systems, has died. He was 82.
Source: infotel.ca
John Warnock, who helped invent the PDF and co-founded...
John Warnock, who helped invent the PDF and co-founded Adobe Systems, has died
Source: accesswdun.com
John Warnock, Adobe Systems co-founder who helped invent the PDF, dies at age 82
John Warnock, who helped invent the PDF and co-founded Adobe Systems, has died.
Source: cbsnews.com
John Warnock, Who Helped Invent The PDF And Co-Founded Adobe, Dies At 82
John Warnock, who helped invent the PDF and co-founded Adobe Systems, has died. He was 82. The Silicon Valley entrepreneur and computer scientist died
Source: theyeshivaworld.com