Peter Ferdinand Drucker (November 19 1909 – November 11 2005) was an Austrian-born American writer, management consultant and university professor. In 1943 he became a naturalized citizen of the United States. He taught at New York University and Claremont Graduate University respectively.
The tool user, provided the tool is made well, need not, and indeed should not, know anything about the tool.
Consider the experience of a newly appointed hospital administrator. The hospital was big and prestigious, but it had been coasting on its reputation for 30 years.
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