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Peter Ferdinand Drucker ... has been described as "the founder of modern management" .. Wikipedia
Wikipedia entry for "Peter Ferdinand Drucker            (November 19, 1909 – November 11, 2005)
      was an Austrian-born American management consultant, educator, and author,
           whose writings contributed to the philosophical
                and practical foundations of the modern business corporation.
He was also a leader in the development of management education,
      he invented the concept known as management by objectives and self-control" ...... Wikipedia
           "Among Peter Drucker´s early influences was the Austrian economist Joseph Schumpeter, a friend of his father´s,
                who impressed upon Drucker the importance of innovation and entrepreneurship."...... Wikipedia
He wrote Concept of the Corporation in 1946, a book about his observations and conclusions at General Motors