ピーター・ドラッカー
He has been rated among the Thinkers 50, a private list of the most influential living management thinkers. In 2001 he was second on this list, behind Peter Drucker, and in 2005 he was tenth. When the Harvard Business Review had a special issue to mark their 50th Anniversary they asked Handy, Peter Drucker and Henry Mintzberg to write special articles.