Abbie Rowe

Oscar Ivanissevich, Ambassador to the United States from Argentina, and other dignitaries, at a ceremony at the statue of South American patriot Jose de San Martin in Washington, D.C.

Oscar Ivanissevich, Ambassador from Argentina, looks at the plaque on the statue of South American patriot Jose de San Martin in Washington, D.C.

Ceremony at the statue of Jose de San Martin in Washington, attended by Oscar Ivanissevich, Argentina's Ambassador to the U.S. All are unidentified.

Crowds at the Jefferson Memorial for a ceremony marking Jefferson's birthday, with the Tidal Basin and the Washington Monument visible in the background.

Unidentified persons at Jefferson Memorial for a commemoration of Thomas Jefferson's 204th birthday.

Crowds gathered at the Jefferson Memorial for a ceremony marking Thomas Jefferson's 204th birthday.

Flag-bearers and spectators at a Jefferson Memorial ceremony marking Thomas Jefferson's 204th birthday. All are unidentified.

Ceremony at the Jefferson Memorial marking the 204th anniversary of the birth of Thomas Jefferson. All in photo are unidentified.

President Truman greeting crew members from an around-the-world flight in the Oval Office. From left to right: flight engineer T. Carroll Sallee, Captain William P. Odom, President Truman, and business Milton Reynolds, who helped sponsor the trip, and an unidentified man.

President Truman greeting crew members from an around-the-world flight in the Oval Office. From left to right: flight engineer T. Carroll Sallee, Captain William P. Odom, President Truman, and business Milton Reynolds, who helped sponsor the trip.