Who was the co-founder of Adobe and developer of PDF?
A. Bill Gates
B. Charles Geschke
C. Larry Page
D. Sergey Brin
Explanation:
Adobe founder who helped develop Portable Document Format (PDF) document Charles Geschke passed away at the age of 81. Charles Geschke was an American businessman and computer scientist best known for founding the graphics and publishing software company Adobe Inc. with John Warnock in 1982.
