David T. Barstow is an investigative reporter for The New York Times. He joined The Times in April 1999, reporting first for the Metropolitan Desk. He covered the 2000 presidential election, particularly the Florida recount, and he also wrote extensively about financial aid for the victims of the Sept. 11 attacks.

Mr. Barstow joined the Investigative Desk in May 2002.

He graduated from Northwestern University in 1986 with a B.A. in journalism. After graduation, he worked as a reporter for The Rochester Times-Union in upstate New York. In 1990, he joined The St. Petersburg Times in Florida, reporting on a wide range of issues.

White at The St. Petersburg Times, Mr. Barstow was a finalist for three Pulitzer Prizes. In 1997, he was the lead writer for coverage of race riots that was a finalist for spot news reporting. In 1998, he was the lead writer for coverage of financial wrongdoing at the National Baptist Convention that was a finalist for investigative reporting. That same year, he was also a finalist for explanatory journalism for a series of stories about tobacco ligigation.

Mr. Barstow was born on January 21, 1963, and grew up in Concord, Massachusetts. He is married with two children, and lives in Glen Ridge, New Jersey.

Lowell Bergman is an investigative reporter for The New York Times. He joined The Times in 1999. He is also a producer and correspondent for the PBS documentary series "Frontline." and an adjunct professor at the Graduate School of Journalism at the University of California, Berkeley, where he has taught for 10 years.

This year, Mr. Bergman led a major investigation into corporate malpractice in the cast-iron sewer and water pipe industry in the United States and Canada. The investigation--a collaboration among The Times, "Frontline" and the Canadian Broadcasting Corporation--revealed extensive problems with both labor practices and environmental compliance at a dozen plants around North America operated by McWane Inc., one of North America's wealthiest and most secretive industrial empires. It resulted in a three-part front-page series in The Times, a one-hour documentary called "Dangerous Business" for "Frontline" and another version for the CBC.

In early 2001, Mr. Bergman wrote a five-part front-page series for The Times on the energy and electricity crisis in the United States, particularly in California. He was the correspondent and reporter on a documentary about the state's power problems called "Blackout," a co-production of The Times and "Frontline" that aired in June 2001. The documentary included in-depth coverage of the Enron Corporation and its leaders before its collapse.

After Sept. 11, 2001, Mr. Bergman was the co-producer and reporter on a series of documentaries for "Frontline" and The Times on Iraq, Saudi Arabia, the roots of the terrorism crisis and the rise of Islamic fundamentalism. In I999 and 2000, he was the co- producer and reporter on "Drug Wars," a four-hour documentary on "Frontline" about the 30-year history of the war on drugs.

In 1998, Mr. Bergman was the co-producer and correspondent on "The Terrorist and the Superpower," a "Frontline" special investigation that examined Osama Bin Laden's role in the United States Embassy bombings in Africa and the government's efforts to track down this elusive terrorist. Mr. Bergman was the co-producer, reporter and correspondent on many other "Frontline" documentaries, including investigations into the legal problems of the tobacco industry; corruption at the highest levels in the Mexican government under the administration of Carlos Salinas; and the international trade in toxic waste.

Before joining The Times, Mr. Bergman worked for 21 years as a producer/reporter and supervisor for ABC News and then for CBS News, where he was a producer for the program "60 Minutes." His efforts to tell the story of Dr. Jefftev Wigand, a former vice president of Brown & Williamson Tobacco Corporation, on "60 Minutes" were the subject of "The Insider," the 1999 Academy Award-nominated fiIm in which Mr. Bergman was portrayed by Al Pacino. While at "60 Minutes." Mr. Bergman produced more than 50 stories, covering subjects like organized crime, international arms dealing, the Iran-Iraq war, the Persian Gulf war and the international narcotics industry. He also produced the first television interviews with Lebanon's Hezbollah terrorist group at they kidnapped Americans and others. Mr. Bergman is the recipient of two gold batons from the Alfred I. duPont- Columbia University Awards for a series of documentaries on the roots of terrorism on "Frontline" on PBS; and two George Foster Peabody Awards for "The C.I .A.'s Cocaine" on "60 Minutes" on CBS. and "Drug Wars." a documentary on "Frontline." He has also received numerous Emmv Awards, a Writers Guild of America Award and awards for his print work in the 1970's.

He graduated from the University of Wisconsin and was a graduate fellow in philosophy at the University of California. San Diego. Mr. Bergman was born on July 24, 1945 in New York. He is married with five children, and lives in Berkeley, California.