Dr. Charles Geschke, the co-founder of the software company called Adobe who helped develop the Portable Document Format, or PDF, has died at the age of 81.
Dr.Geschke and Warnock were responsible for transformative software inventions, including PDF, Acrobat, Illustrator, Premiere Pro and Photoshop,
Dr. Charles Geschke set up Adobe software company in 1982, giving the world the portable PDF software, among many other audio-visual innovations.
Dr. Charles Geschke died in California on Friday.
Adobe CEO Shantanu Narayen said Geschke, widely known as Chuck, “sparked the desktop publishing revolution”.
“This is a huge loss for the entire Adobe community and the technology industry, for whom he has been a guide and hero for decades,” he wrote in an email to the company’s employees.
“As co-founders of Adobe, Chuck and John Warnock developed ground-breaking software that has revolutionized how people create and communicate,” he said.
