Categories Articles Charles Geschke, co-founder of Adobe and co-inventor of the PDF, has died at 81 Post author By crystalg Post date April 18, 2021 The Verge – All Posts Tags Adobe, Charles, CoFounder, coinventor, died, Geschke ← I’m Awash In Pandemic-Fueled Gratitude and Taking a Solitary Cross-Country Road Trip → This Accurate Golf Rangefinder Might Help You Close More Deals on the Links