Peter Drucker Quotes:
Ocupation: Author
Life: November 19, 1909 - November 11, 2005
Birthday: November 19
Death: November 11
The correct assumption is that what individuals have learned by age twenty-one will begin to become obsolete five to ten years later and will have to be replaced-or at least refurbished-by new learning, new skills, new knowledge.
source: Peter Drucker (2014). “Innovation and Entrepreneurship”, p.280, Routledge
topic: Years, Skills, Age, New Skills, Learning New, Learning New Skills, New Knowledge
