William Bernstein is a principal in Efficient Frontier Advisors, a Connecticut investment management firm. He also operates a nonprofit online journal of asset allocation and portfolio theory - www.efficientfrontier.com.
Bernstein has developed basic portfolio management principles for individual investors, contributed online pieces for Money and Morningstar.com, and is frequently quoted in The Wall Street Journal and other publications.
The Four Pillars of Investment Success, McGraw-Hill, 2002
The Intelligent Asset Allocator, McGraw-Hill, 2000
The Birth of Plenty: How the Prosperity of the Modern World ...