Chuck Geschke, Who Advanced Printing Industry With Adobe PDF and PostScript Developments, Dies at Age 81

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His first product was Adobe PostScript, which sparked the desktop publishing revolution. PostScript profoundly disrupted the typesetting industry, as well as altered overall prepress and print production workflows. Chuck Geschke also created the PDF (Portable Document Format), Acrobat, Illustrator, Premiere Pro, and Photoshop software programs.