Categories education Peter Drucker Peter Drucker | education When a subject becomes totally obsolete we make it a required course. Post author By Beautiful Quotes Post date December 10, 2022 No Comments on Peter Drucker | education When a subject becomes totally obsolete we make it a required course. Peter Drucker Tags education, Peter Drucker ← Alexander Hamilton | education → A. A. Milne | education Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Δ