https://appleinsider.com/articles/21/04/19/adobe-co-founder-charles-geschke-dies
Adobe co-founder Charles Geschke dies | AppleInsider
Computer scientist Charles Geschke has died aged 81. He co-founded Adobe, which, with Apple, created the desktop publishing industry, before famously falling...
co foundercharles geschkeadobediesappleinsider
https://www.entrepreneur.com/business-news/adobe-co-founder-charles-geschke-dies-at-81/369717
Adobe Co-Founder Charles Geschke Dies at 81
Sep 3, 2025 - He played a major role in developing PDFs and desktop publishing.
co foundercharles geschkeadobedies81
https://www.itpro.com/business-strategy/careers-training/359248/co-founder-of-adobe-charles-geschke-dies-aged-81
Adobe co-founder Charles Geschke dies aged 81 | IT Pro
Apr 19, 2021 - The mathematician and computer scientist also co-created the portable document format (PDF)
co foundercharles geschkeadobediesaged