Donald Marron, the financier who led Paine Webber for 20 years until the retail brokerage's $16 billion sale to UBS in 2000, has died.

Paul A. Volcker, 92, former chairman of the Federal Reserve, died Sunday at his home in New York.

Paul Volcker, the former Federal Reserve chairman who broke the back of U.S. inflation in the 1980s, has died.

Don Valentine, 87, founder of venture capital firm Sequoia Capital and early investor in Atari and Apple Computer, has died.

T. Boone Pickens, the onetime Texas oilman who became a billionaire energy investor and pitchman for wind and natural-gas power, has died.

Jeffrey Tarrant, a leading hedge fund investor who backed managers including Bill Ackman and Marc Lasry before they were stars, has died.

Alexander Navab, former head of KKR's Americas private equity business and founder of private equity firm Navab Capital Partners, has died.

Martin Feldstein, a noted economist who served as the president of the National Bureau of Economic Research for nearly 30 years, has died.

John B. Neff, a former managing partner of Wellington Management Co. and portfolio manager for Vanguard Group, died.