Fortune called Tom Peters the "Ur-guru" of management, and compares him to Ralph Waldo Emerson, Henry David Thoreau, Walt Whitman, and H.L. Mencken. The Economist tagged him the Uber-guru; and BusinessWeek's take on his "unconventional views" led them to label Peters "business's best friend and worst nightmare." In 2004, the Bloomsbury Press book Movers and Shakers: The 100 Most Influential Figures in Modern Business reviewed the historical contributions of pathbreaking management thinkers and practitioners, from Machiavelli and JP Morgan to Tom and Jack Welch. The summary entry on Tom's impact: