In the beginning: Dave Lanahao runs 99 yards from scrimmage. (Colorado College vs Colorado Mines) 1967. © 2015 David Burnett/Contact Press Images
Watching the launch of Apollo XI at Cape Kennedy. Burnett's first "color" story, July, 16 1969. © 2015 David Burnett/Contact Press Images
An American soldier reads a letter from home, while taking a break from repairing a tank tread. Lang Vei, South Vietnam, March 1971 © 2015 David Burnett/Contact Press Images
Mother running with her fatally wounded child after napalm attack, Trang Bang, Vietnam June 8, 1972. © 2015 David Burnett/Contact Press Images
Daniel Cespedes, a suspected "leftist" is taken to the National Stadium after his arrest in the aftermath of the September 11th Chilean coup, Santiago, Chile, September 1973. © 2015 David Burnett/Contact Press Images
Ronald Reagan on the campaign bus in New Hampshire, February 1976. © 2015 David Burnett/Contact Press Images
The Ayatollah Khomeini, Tehran, 1979. © 2015 David Burnett/Contact Press Images
The First Gorbachev & Reagan Summit, Geneva, November 19, 1985. © 2015 David Burnett/Contact Press Images
The fall of the Berlin Wall, 1989: A West Berlin woman tearfully welcomes her Eastern family. © 2015 David Burnett/Contact Press Images
In 1994, on occasion of the 50th anniversary of D Day, Robert L Williams, 101st Airborne trooper, jumped with a bunch of former vets at Ste Mere Eglise. The sky behind is filled with chutes of active duty troops who jumped just after the vets did. © 2015 David Burnett/Contact Press Images
Vice-President Al Gore during the last days of his unsuccessful presidential campaign against George W. Bush, Philadelphia, Pennsylvania, November 2000. © 2015 David Burnett/Contact Press Images
Men's 120k Ski Jump, Winter Olympics, Park City, Utah, February 2002. © 2015 David Burnett/Contact Press Images
John Kerry, the Democratic presidential nominee, campaigning in Madison, Wisconsin, September 15, 2004. © 2015 David Burnett/Contact Press Images
Future Hall of Famer Tony Oliva, Spring Training, 2005, shot with the Speed Graphic. © 2015 David Burnett/Contact Press Images
Senator Ted Kennedy in Washington DC, 2006. © 2015 David Burnett/Contact Press Images
The First Couple shares a First Sundae, Iowa 2012. © 2015 David Burnett/Contact Press Images
The Two Davids: Kennerly and Burnett in Saigon, 1972. © Nguyen Ngoc Anh
Eddie Adams and David Burnett at the 1980 Democratic Convention. © Keith Skelton
David Burnett, Kim Phuc and Nick Ut reunited in Washington DC, 2009 © Hyungwon Kang
David Burnett at the gathering of the Association of Abraham Lincoln Presenters, Vandalia, IL April 2015 © Katherine Lampher/Al Jazeera